kminahil28 kminahil28

25-02-2021
Biology

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Describe the differences between the structure of the circulatory system of a fish and the human circulatory system.
4 marks

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ljetorne ljetorne

25-02-2021

Answer:

In mammals (like us) there is a double circulation. The right side of the heart receives blood returning back from the body; this blood is low in oxygen (blue in the figure to the right). ... In fish, the heart only has one atrium and one ventricle.

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