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Gwar [14]
3 years ago
10

The double walled membranous sac that encloses the heart is the

Biology
1 answer:
gtnhenbr [62]3 years ago
8 0
THIS IS known as the PERICARDIUm
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A scientist found two different sizes of a same protein obtained from plants and animals. This size difference in same type of p
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Deletion and glycosylation.

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