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Mama L [17]
4 years ago
7

What is the primary source of fuel for the brain?

Biology
1 answer:
olga2289 [7]4 years ago
6 0

Answer:

it's answer C

That is Carbohydrates

Explanation:

"The brain's primary source of fuel is carbohydrates,". "Those carbohydrates are broken down into sugar in a form called glucose. Your brain uses glucose as its main source of energy."

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Why do scientists think the fossil record is incomplete?
meriva

I hope this helps the answer is A

6 0
4 years ago
A fluid bathes every cell in the body and provide a medium of exchange between the cells and blood capillaries. All the followin
krek1111 [17]
Options are:

a) lymph. 
b) interstitial fluid. 
c) extracellular fluid (ECF). 
<span>d) plasma.
</span>
All the following are correct terms for this fluid except lymph. 

The interstitial fluid surrounds the cells in the body. The other major component of the ECF is the intravascular fluid of the circulatory system called blood plasma<span>.
</span>Lymph is<span> a fluid which contains infection-fighting white blood cells, throughout the body.</span>
8 0
3 years ago
Each _____ of organisms is divided into classes. order family phylum genus
Agata [3.3K]
Hi Brenaroo14

Each genus of organisms is divided into classes.

Answer: D) genus or the fourth option.
4 0
3 years ago
The monomers of proteins (select all that apply)
Brrunno [24]

Answer:

amino groups

amino acids

R groups

Explanation:

I think these are right.

Because a polypeptide chain is polymer of amino acids that are linked together so that mean a polypeptide chain is protien.

8 0
3 years ago
Define the components of blood and briefly describe their role.
Grace [21]
Tha main components in blood are the plasma, red blood cells, white blood cells, and blood platelets.

Plasma is like the main component that makes up most of the blood. It has a light yellow color and it carries many substances including nutrients, waste, hormones and more.

Red blood cells are the reason why blood is red in color. They have a hemoglobin inside them which can help carry oxygen for the tissues and organs. In order to maximize the oxygen carrying capacity, they don't have a nucleus.

White blood cells can be divided into phagocytes and lymphocytes. Their main function is to protect us from diseases. Phahocytes and engulf and digest bacteria, while lymphocytes can produce antibodies.

Blood platelets can cause blood clotting which can stop us from bleeding forever. They're not cells, but just fragments of cells. They also don't have nucleus since they're not complete cells.
8 0
4 years ago
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