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vampirchik [111]
4 years ago
11

Suggest a hypothesis why endotherms have independently evolved a 4-chambered heart if mixing of blood seems not to be a major is

sue. what else makes a 4-chambered heart preferable for sustaining the high metabolic oxygen demand of tissues in endotherms?
Biology
1 answer:
astra-53 [7]4 years ago
3 0
The 4 chambered heart is cheaper to maintain and manufacture.
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