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anyanavicka [17]
3 years ago
8

What organ system does the umbilical cord belong to

Biology
1 answer:
Ivenika [448]3 years ago
4 0
<span>circulatory system hope this helps</span>
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In terms of environmental economics, the only factions that disagree with each other are environmentalists and economists. True
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The correct answer is FALSE.

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Integral membrane proteins, such as transport proteins, are permanently attached to cellular membranes. After integral membrane
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