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Ugo [173]
3 years ago
13

What best explain the cirulation system within mammals

Physics
2 answers:
AysviL [449]3 years ago
4 0
The circulation system for mammals is very complex
Brums [2.3K]3 years ago
4 0

Answer:

Mammals used a close, double-loop circulatory system aided by a four-chambered heart.

Explanation:

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