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3 years ago

9

Explain why fish are OK with a single pump system but humans need a double pump system.

1 answer:

Lelu [443]3 years ago

8 0

Answer:

A closed circulatory system can have a single or double circulatory pattern. Fish have a single circulatory pattern, wherein the blood passes through the heart only once during each complete circuit. Oxygen-deprived blood from the body tissues comes to the heart, from where it is pumped to the gills.

Step-by-step explanation:

i looked it up

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