How does caffeine reach the brain after someone drinks a cup of coffee or tea? In your answer, be sure to identify the systems involved.

Answers

Answer 1

Answer:

When we drink coffee, caffeine binds to our brain's adenosine receptors, preventing the chemical from binding with the receptors and making us tired. For those of us who regularly drink coffee in copious amounts, our brains develop more adenosine receptors, so it takes more coffee to keep us awake.

Answer 2
There, caffeine interacts with some neurotransmitters and promotes central nervous system's stimulation. ... Then, central nervous system's receptors send impulses to endocrine system to secrete some hormones that will affect person's behavior.

Related Questions

Which prediction ,begin emphasis,best,end emphasis, describes how liquid water may change when thermal energy is added? Answer options with 4 options

A. The water particles will move more slowly and the water will become a gas.
B. The water particles will move more quickly and the water will become a gas.
C. The water particles will move more slowly and the water will become a solid.
D. The water particles will move more quickly and the water will become a solid.

Answers

B because when the heat touches the liquid it starts to evaporate and the evaporation brings it into gas
B. when heat is added particles speed up causing gas

a city is concerned about global warming in smoke. It wants to reduce the impact of its use of fossil fuels. Explain how the city could use technology to reduce fossil fuel use by changing (a) its transportation, (b) it’s buildings, (c) services for city residents.


Plsplspls help

Answers

Answer:

a) Increasing the toll for non carpoolers will motivate people to carpool and therefore will decrease the number of cars in the road burning fossil fuels.

b) Tax breaks for buildings that use solar panels for energy. This reduces fossil fuels burned for electricity.

c) The city can increase the amount of city transportation available. While this may seem counterproductive because the amount of buses or trains or boats burning fossil fuels increases, by doing this more people will have easy access to public transportation and it has been shown that public transportation is more effective in reducing fossil fuel usage per head. Providing more options of public transportation will increase their usage and therefore will over decrease the amount of fossil fuel burned by individuals which will overall decrease fossil fuels burning.

Explanation:

What niches, or specific ecological roles, have M. smithii and Bacteroides established in the human gut ecosystem?

Answers

Answer:

Bees

Explanation:

According to all known laws of aviation, there is no way a bee should be able to fly. Its wings are too small to get its fat little body off the ground. The bee, of course, flies anyway because bees don't care what humans think is impossible. Yellow, black. Yellow, black. Yellow, black. Yellow, black. Ooh, black and yellow! Let's shake it up a little. Barry! Breakfast is ready! Ooming! Hang on a second. Hello? - Barry? - Adam? - Oan you believe this is happening? - I can't. I'll pick you up. Looking sharp. Use the stairs. Your father paid good money for those. Sorry. I'm excited. Here's the graduate. We're very proud of you, son. A perfect report card, all B's. Very proud. Ma! I got a thing going here. - You got lint on your fuzz. - Ow! That's me! - Wave to us! We'll be in row 118,000. - Bye! Barry, I told you, stop flying in the house! - Hey, Adam. - Hey, Barry. - Is that fuzz gel? - A little. Special day, graduation. Never thought I'd make it. Three days grade school, three days high school. Those were awkward. Three days college. I'm glad I took a day and hitchhiked around the hive. You did come back different. - Hi, Barry. - Artie, growing a mustache? Looks good. - Hear about Frankie? - Yeah. - You going to the funeral? - No, I'm not going. Everybody knows, sting someone, you die. Don't waste it on a squirrel. Such a hothead. I guess he could have just gotten out of the way. I love this incorporating an amusement park into our day. That's why we don't need vacations. Boy, quite a bit of pomp... under the circumstances. - Well, Adam, today we are men. - We are! - Bee-men. - Amen! Hallelujah! Students, faculty, distinguished bees, please welcome Dean Buzzwell. Welcome, New Hive Oity graduating class of... ...9:15. That concludes our ceremonies. And begins your career at Honex Industries! Will we pick ourjob today? I heard it's just orientation. Heads up! Here we go. Keep your hands and antennas inside the tram at all times. - Wonder what it'll be like? - A little scary. Welcome to Honex, a division of Honesco and a part of the Hexagon Group. This is it! Wow. Wow. We know that you, as a bee, have worked your whole life to get to the point where you can work for your whole life. Honey begins when our valiant Pollen Jocks bring the nectar to the hive. Our top-secret formula is automatically color-corrected, scent-adjusted and bubble-contoured into this soothing sweet syrup with its distinctive golden glow you know as... Honey! - That girl was hot. - She's my cousin! - She is? - Yes, we're all cousins. - Right. You're right. - At Honex, we constantly

Help!!!!

Match the pea plant with its combination of alleles. Use the groups below for questions 17, 18, & 19.
Combination of Alleles
Two alleles for tall stems
One allele for tall stems and one allele for short stems.
Two alleles for short stems

Answers

True the correct answer is D.

an air mass exists off the Pacific coast of California what type of air mass is this and what are its main characteristics choose all that apply

Answers

What are the options???

please I need help
Based on
-climate
-global warming
-temperatures

Answers

Answer for #8:

Cold water is heavier than warm water, and because of that it sinks. Ice dissolving into the water cools the ocean, causing it to drown. This creates a wave by which cold water is drowning near the poles, which forces the water into the depths of the ocean, leading the entire ocean to swirl. This cold, thick water is then forced back up against the west shores of the continents where it can be warmed.

Hope this helped,

0Drink0Milk0

Answer given

............

If you had to define ecological succession in your own words in a 140 character text, how would you define it?

Answers

Answer: Succession is like winning a race. You get to acomplish something that you wanted to do.  sorry this is short

Explanation:

Ecological succession is when the structure of a biological community evolves overtime. For example, when a tree falls in a forest, the sunlight may be able to reach the forest floor, which would allow new growth to begin.

How many and what types of chromosomes are found in every one of your cells?

Answers

There are 23 chromosomes in a cell but I’m not sure what types they are

EASY POINTS IF YOU ANSWER THEM CORRECTLY!! the questions are easy and I don't feel like doing them but plz answer correctly before 3:00 PM est (will give brainliest to whoever answers all of them at once.)

Answers

There is no image try to upload ago

one and two please !!

Answers

1. Plants on land have taken up approximately 25 percent of the carbon dioxide that humans have put into the atmosphere. The amount of carbon that plants take up varies greatly from year to year, but in general, the world's plants have increased the amount of carbon dioxide they absorb since 1960.

2. Animals that eat other animals get the carbon from their food too. Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground. Some is buried and will become fossil fuels in millions and millions of years.

HELP, PLEASE!! ON THIS I ALREADY DID MOST OF IT! IT IS TOO SMALL TO READ!!

Answers

Answer: TT,TT,Tt,Tt      tt,tt,tt,tt

i think

Explanation:

TT, TT, Tt, Tt


tt, tt, tt, tt

What are the functions of the cerebral cortex, cerebellum, and brainstem?

Answers

Answer:

The cerebral cortex is very important and is responsible for sensation, perception, memory, association, thought, and voluntary physical action.The cerebellum coordinates muscle movements, and maintains posture and balance. You can think of the brainstem as the relay point that connects the cerebrum and cerebellum to the spinal cord.

I know that the cerebellum controls muscle co-ordination and balance !
Hope it helps!

Which item does not contain a noble gas?

neon sign
mp3 player
flash camera
helium balloon

Answers

Answer:

flash camera I think I'm perty sure

like the other guy said i think its flash camera too

What is the relationship between octopuses and seagulls?

Answers

Their both animals and their both animals

Answer:

The answer is that the relationship between octopuses and seagulls is that they both eat mussels.

Explanation:

Hope this helps!! ;)

The pedigree below shows the inheritance pattern of hitchhiker’s thumb in a multigenerational family. How many people in this family have hitchhiker's thumb? *

Answers

2
Jack and Jim because it says the colored one s have it and they’re the only ones
2 since it shows that the colored ones have it. (Jack and Jim)

science about body :P plz no troll

Answers

a digestive system is a digestive system that does things that digestive systems do
The digestive system breaks down all food and Carry’s it through your body to the area where you réalise it.

The organs in the digestive system are mouth, esophagus, stomach, gallbladder, small and large intestine, liver, pancreas, and anus.

The digest system interacts with any food you put in your body.

The muscle system is a organ that that’s helps you move around.

The organs in the muscle system are the skeleton, smooth and cardiac muscles.

The muscular system works to help support and move the body, it also protects all the organs inside.

Need this for homework
1.What happens when fertilizer ends up in waterways?
2. Describe eutrophication.
3. What has happened at the mouth of the Mississippi River?

Answers

Bxnzjsbdmsgdjcdpdjxjdk
1. When fertilizer ends up in waterways, the fertilizer gets carried to larger bodies of water. The added nutrients from the fertilizer creates excessive growth of algae, creating algal.

2. Eutrophication is what a water based ecosystem does when too much nutrients are added to it. it’s mainly caused by two nutrients, phosphorus and nitrogen. The biggest problem in eutrophication are algal blooms.

3. At the mouth of the Mississippi River there is a dead zone. Due to algae using up all the oxygen, aquatic organisms can not survive there. Things that can help prevent dead zones are cutting down on fertilizer use and preserving wetlands.


Hope this helps!

A closed system is a system in which
(a) Matter can enter and leave
(b) Matter can enter but cannot leave
(c) Matter can leave but cannot enter
(d) Matter does not enter or leave

Answers

Answer:

B - Matter can enter but cannot leave

Explanation:

I looked it up, sorry if wrong

^ yea what they said

Which example is NOT an organism?

Question 1 options:

lung


mold


human


bacteria

Question 2 (3 points)
All living things are made of ______.

Question 2 options:

multicellular


organisms


cells


tissues

Question 3 (3 points)
To function on their own, what must unicellular organisms do?

Question 3 options:

make tissues


work with other cells


do all jobs for survival


perform a specialized task

Question 4 (3 points)
Which type of organism is ale to cause an infection or contagious disease?

Question 4 options:

animal


plant


bacteria


rose

Question 5 (3 points)
A fish laying hundreds of eggs is an example of _________.

Question 5 options:

maintaining structure


all of the answers are correct


obtaining energy


producing offspring

Question 6 (3 points)
What do we call the branch of science for classification of organisms?

Question 6 options:

Taxonomy


Chemistry


Physics


Biology

Question 7 (3 points)
What is an example of "maintaining structure"?

Question 7 options:

a cell dividing


eating an apple


catching a fish


healing a broken arm

Question 8 (3 points)
All successful organisms must be able to do what three things?

Question 8 options:

obtain energy, produce offspring, eat


obtain energy, eat, play video games


obtain energy, produce offspring, maintain their structure


maintain their structure, eat, build a home

Question 9 (3 points)
Which example is NOT a basic need of all organisms?

Question 9 options:

soil


appropriate enviornment


water


food

Question 10 (3 points)
What do all living things need?

Question 10 options:

energy, water, sunshine, and protection


water, parents, a place to live, and air


oxygen, an outer covering, parents, vitamins


food, water, air, and a place to live

Answers

Answer:

1: Mold 2: Cells 3: do all jobs 4: bacteria 5: producing offspring 6: Taxonomy 7: Healing a broken arm 8:obtain energy, produce offspring, maintain their structure 9: soil (I think) 10: food, water, air, and a place to live

Answer:

1. lung.

2. cells.

3. do all jobs for survival.

4. bacteria.

5. producing offspring.

6. Taxonomy.

7. a cell dividing.  

8. obtain energy, produce offspring, and maintain their structure.

9. soil.

10. food, water, air, and a place to live.

Explanation:

1.  all of the other options are organisms, while a lung is an organ.

2. All living things are made of cells

3. All unicellular organisms must be able to perform all the functions necessary for life. Meaning do all the jobs needed for survival.

4. Bacteria is the organism listed that is able to cause an infection or contagious disease.

5. A fish laying hundreds of eggs is an example of producing offspring. While it could also be an example of maintaining structure, a fish cannot obtain energy by laying eggs. So, the best answer is producing offspring.

6. Taxonomy's definition is the branch of science concerned with classification, especially of organisms; systematics.

7. a cell dividing is maintaining structure. After growth, cell division by mitosis allows for continual construction and repair of the organism. The primary concern of cell division is the maintenance of the original cell's genome. So, this is the best option for the question.

8. The second option is wrong, because not every organism plays video games. The 4th option is wrong, because not every organism builds their own home. And finally, the first option is incorrect, because plants do not physically eat they obtain their energy through photosynthesis. So, the correct option is the 3rd one.

9. Soil is not needed for all living organisms, but the other options listed are necessary.

10. the second and third option are incorrect, because not every living thing needs a parent. The first option is incorrect, because not every living thing needs sunshine and it does not list the other necessary components. So, the correct answer is the last option. And a place to live can also mean an appropriate environment.

The solar energy that reaches a planet is called?
a. temperature
b. insolation
c. light waves
d. brightness

Answers

Answer:

B

Explanation:

the answer is b, insulation is the solar energy that reaches the earths surface

The Punnett square below shows a cross between 2 pink flowers. What is a percentage that a pink flower will be produced? *

Answers

Answer:

50%

Explanation:

rr, rw, rw, ww

Using the dichotomous key, Which kingdom classification of the organism is described above?

A.
Fungi

B.
Eubacteria

C.
Protista

D.
Animalia

Answers

Answer:

Fungi

Explanation:

It’s fungi I did this unit last year

The phase in which a cell spends most of its life is interphase. True or False

Answers

True................

How is it possible for some organisms to survive using only fermentation and not cellular respiration?

Answers

Answer:

Both of these processes can happen thanks to alternative glucose breakdown pathways that occur when normal, oxygen-using (aerobic) cellular respiration is not possible—that is, when oxygen isn't around to act as an acceptor at the end of the electron transport chain. These fermentation pathways consist of glycolysis with some extra reactions tacked on at the end. In yeast, the extra reactions make alcohol, while in your muscles, they make lactic acid.

Name a domestic animal a peregrine falcon might be competing with by eating pigeons.

Answers

Answer:

Their typical prey items include shorebirds, ducks, grebes, gulls, pigeons, and songbirds. Peregrine falcons also eat bats, and they occasionally steal prey—including fish and rodents—from other raptors. Falcons nest on cliffs up to 1,300 feet high and sometimes higher.Explanation:

Answer:

no other animal

Explanation:

If three bases are required to code for one amino acid, how many bases long must the gene be to encode a protein 400 amino acids long?

Answers

The genetic code is the set of rules that defines how a nucleotide sequence in RNA is translated into an amino acid sequence in a protein. This code is common to all living beings (although there are small variations), which shows that it has had a unique origin and is universal, at least in the context of our planet.

Fill in the Blank
Complete the following sentence.
The discovery of plastic resulted from a(n) ____________
attempt at making an alternative form of insulation for electronics.

Answers

Failed...
I’m not entirely sure
Cheap, I’m pretty sure it’s right.

20 points Please answer fast

Questions:

1. Were all your answers the same? Why do you think this is?

2. What type of person might have a low resting heart rate?

3. Why is important to know your blood type?

Please answer the picture and questions!!!

Answers

Answer:

Yes

unattached

Nearsighted

I'm also unsure

125bpm

1) Not all of the answers were the same because, everyones heart rate and blood type would be different from each other.

2) Athletes have a low resting heart rate.

3) During blood lost, you'll need a blood transfusion, if you don't know what blood type you have then it's most likely take longer to give you the correct blood type by doing a blood test.

Yes unattached nearsighted

What two human systems deal with allergies?

Answers

One is immune system. ‍‍‍‍

I need help with this question
Why would you expect a dead zone to start near the mouth of a river, where the river flows into a body of water?

Answers

Water pollution comes from many sources. One of the biggest sources is runoff. Runoff moves over the surface of the land and picks up chemicals such as fertilizer (contains vital nutrients such as nitrogen, phosphorous, and potassium - NPK) from agricultural fields, lawns, and golf courses. It carries the chemicals to bodies of water. The added nutrients from fertilizer often cause the excessive growth of algae, creating algal blooms which are temporary phenomena because the large population of algae use up the available nutrients (Figure 2.4c). When the algae die, the decomposing bacteria use up oxygen in the water so that other aquatic organisms cannot survive. This has occurred over large areas of the ocean, creating dead zones, where low oxygen levels have killed all ocean life. A very large dead zone exists in the Gulf of Mexico. Measures that can help prevent these problems include cutting down on fertilizer use. Preserving wetlands also helps because wetlands filter runoff.
Other Questions
Please help. I will give brainliest The image shows the Moon orbiting Earth. Match each Moon phase to the correct location, as seen by an observer on Earth. plzz help. Tyrone decided to write an essay about some of the fun things he did on his summer vacation. What do you think is the purpose of Tyrone's essay?A. to inform that summer is warmer than winterB. to share some of the stories from his summerC. to explain the purpose of a summer vacationD. to persuade kids to play ball in the summer How will antibiotic resistance affect human populations if no action istaken by our agricultural system? which of the following does not describe a relation that is a function? (please help i will give u brainliest) What is the value of the digit 2 in 82.6? is the idea that you can change your behavior if you change your thoughts. .Positive reinforcementOB.Broad spectrum therapyOc Cognitive-behavioral therapyOD. Modeling Why is the Battle of Palmito Ranch significant to the Civil War? Should school provide positive environment? What is 8/9 of 360 degree ? PLSS HELP ILL GIVE BRAINLIEST IF YOU HELP ME AND EXPLAIN UR ANSWER Which of the following correctly uses absolute value to show the distance between -80 and 15? (5 points) a|-80 - 15| = |-95| = -95 units b|-80 + 15| = |-65| = 65 units c|-80 - 15| = |-95| = 95 units d|-80 + 15| = |-65| = -65 units Change into passive 11.The weather was awful . They ought to have cancelled the football match . 12. They will not make a decision until the next morning . 13.That building is dangerous . They ought to knock it down before it falls down . 14. When you go through customs , acustom officer may check your luggage . 15.I told the hotel recaptionist that I wanted her to wake me up at 6.30 . 16. They will probably translate her new book into a number of foreign languages . 17.If you kicked a policeman , they would arrest you . 18. The police are looking for the missing boy . They can't find him anywhere . 19.Do you think that you should spend less money ? 20. The injured man couldn't walk . They had to carry him . (I WILL GIVE OUT BRAINLIEST) Two objects were lifted by a machine. One object had a mass of 2 kilograms, and was lifted at a speed of 2 m/sec. The other had a mass of 4 kilograms and was lifted at a rate of 3 m/sec. Which object had more potential energy when it was lifted to a distance of 10 meters? True or false the main source of energy and water cycle is gravity What is unique about the headquarters of the United Nations? It is located in a neutral zone in Europe. It is located on dedicated international land. It is under strict United States control. It is considered a free democracy for the world. Helppppp meeeee pleaseee Some Help? Which sentence from the paragraph has a mistake?A. sentence 8B. sentence 5C. sentence 2D. sentence 4 (1) In 2003, two baseball team owners held a contest to name there new team. (2) Many hopped that the team's name would be a good one. (3) However, people were upset to learn that the team would be named the biscuits. (4) Since then, love for the name has grown. (5) Fans really like the fact that fluffy biscuits are sold at every game. (6) Baseball fans also like shopping at the team's store, the Biscuit basket. (7) Without the teams name, the fans would have missed Big Mo. (8) This friendly, biscuit-eating creature is loved by fans of all ages. Please help me 10 points pls If g(x) = x + x(tothepowerof2)?, find g(-3).g(-3) =