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lbvjy [14]
4 years ago
8

How big is the earth

Biology
1 answer:
Colt1911 [192]4 years ago
3 0
All i know is that you can search the mass but that is all i know......

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Open dumping in landfills was outlawed in many states because of?
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Groundwater pollution

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3 years ago
The perivascular feet of the ______ help create a blood-brain barrier. multiple choice question.
vovangra [49]

The perivascular feet of the <u>endothelial cells</u> help create a blood-brain barrier.

<h3>What are endothelial cells?</h3>

Endothelial cells can be defined as those type of cells found in the inside lining of blood vessels, lymph vessels, and the heart.

Interestingly, the major function of the edothelial cells is that they release substances that control vascular relaxation and contraction as well as enzymes that control blood clotting, immune function and platelet (a colorless substance in the blood) adhesion.

So therefore, the perivascular feet of the endothelial cells help create a blood-brain barrier.

Learn more about endothelial cells:

brainly.com/question/7448518

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2 years ago
Cellular respiration is a process common to cells. Which statement best describes cellular respiration?
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Answer:

B It occurs in animal cells, but not in plant cells. this is the answer

hope it helps :)

7 0
3 years ago
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It helps complete the pulmonary circuit, by receiving oxygenated blood in the alveoli and returning it to the left atrium.

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Answer: a. Secondary

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