Endodermic

... shapes of the parasite, as where skin would not. Some of the parasites reside above the skin, and others from this species reside just under (endodermic). Once the parasite attaches itself, it starts biting and attaching itself to the skin area. I have removed one parasite in such an instance ...

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... need of oxygenation. Especially for complex organisms like us who need to constatnly maintain our metabolism, we are larger organisms, and we are endodermic. Our circulatory systems efficiency to our (incl. large mammals) survival. I hope that wasnt confusing and it made sense =) Happpy Sciencing!!

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