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how does the epidermis get oxygen there are no blood vessels? also if get a cut, no deeper than the epidermis ,would the scab turn dark or black or stay yellow?
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erpidermis scab
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#2
8 December 2011 - 06:27 AM
kellbrook 
Quark
just found out ,red blood cells unload oxygen into plasma, plasma carrying oxygen unloads oxygen into cells
normally if you get a cut the scab turns black logically because of red blood cells, but what if the cut is into an avascular layer like epidermis would th scab turn black or stay yellow from less or lack of red blood cells?
normally if you get a cut the scab turns black logically because of red blood cells, but what if the cut is into an avascular layer like epidermis would th scab turn black or stay yellow from less or lack of red blood cells?
This post has been edited by kellbrook: 8 December 2011 - 06:23 AM
- Posts: 37 | Joined: 10-July 11
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