Biology · Life Processes

During each complete cycle of blood circulation in mammals, blood flows through the heart ______.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Only once
2Thrice
3Four times
4Twice✓

Correct answer

Twice

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During each complete cycle of blood circulation in mammals, blood flows through the heart ______.

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During each complete cycle of blood circulation in mammals, blood flows through the heart ______.

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