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Question
(c) What is meant by the terms 'single circulation' and 'double circulation'?
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Solution
- A circularoy system in which the blood travels only once through the heart in one complete cycle of the body is called single circulation. Example - Fish circulatory system.
- A circulatory system in which the blood travels twice through the heart in one complete cycle of the body is called double circulation. Example - Human circulatory system.
- A circularoy system in which the blood travels only once through the heart in one complete cycle of the body is called single circulation. Example - Fish circulatory system.
- A circulatory system in which the blood travels twice through the heart in one complete cycle of the body is called double circulation. Example - Human circulatory system.
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