Biology, asked by mahtopriyanka21849, 6 months ago

Why is blood circulation in human heart called double circulation??

Answers

Answered by Rai0607

2

Answer:

The human circulatory system has three key components: blood vessels, blood and the heart. It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart.

Explanation:

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Answered by Anonymous

1

Explanation:

The human circulatory system has three key components: blood vessels, blood and the heart. It is called a double circulatory system because blood passes through the heart twice per circuit. The right pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart.

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