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.
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The answer to number 2 would be as the number of carbon carbon 2ble 2ble bonds increase, the melting point decreases
Since the somatic cell count of a roundworm is four, the gamete count would be two. gamete count is half of somatic.
<span>Rhodophytes or Red Algae is the phylum of algae that stores food in the form of floridean starch. It is one of the most established gatherings of eukaryotic green growth. The Rhodophyta likewise includes one of the biggest phyla of green growth, containing more than 7,000 as of now perceived species with ordered corrections continuous.</span>
Try D involuntary external not a 100% shure tho but it’s worth a try because sweating is involuntary u can’t control that and is external meaning out side the body.