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What is the Double Circulation? - Biology

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Question

What is the double circulation?
Short/Brief Note
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Solution

Double circulation means during one circulation blood passes twice through the heart. It includes both pulmonary and systemic circulation. It is necessary as it keeps oxygenated and deoxygenated blood separate.

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Chapter 7: Circulatory System - Exercise 1 [Page 90]

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Frank Biology II [English] Class 7 ICSE
Chapter 7 Circulatory System
Exercise 1 | Q 5 | Page 90
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