Questions about the integumentary system of vertebrates.

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6
votes
1answer
184 views

How does skin healing work?

I stacked my bike and split my head right open. About three weeks later the scab falls off and the skin is sealed over, like magic! How does it all work? How does the brain know that part of the ...
4
votes
2answers
352 views

Why doesn't the human skin grow back exactly how it was before being damaged?

Very simple: Why (and how) is regenerated skin different from original ? As we know we lose skin cells that becomes the dust in out homes and it always grows back to full thickness right ? So when I ...
2
votes
1answer
44 views

How can a respiratory infection lead to a skin infection?

Example of a case: 5 children develop a bright red rash on the face and turns violet after a few days and then disappears. Then maculopapular rash appears on the trunk, buttocks and extremities. It ...
0
votes
0answers
31 views

Dead skin cell decomposition

What would be the resultant by-products of a completely decomposed dead skin cell? What would be the size of each of the by-products of a decomposed dead skin cell? How long would it take for a dead ...