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astraxan [27]
3 years ago
12

What is a double circulatory system?​

Biology
2 answers:
Lena [83]3 years ago
5 0

Answer:

A circulatory system in which the blood enters the heart 2 times (generally once unoxygenated then oxygenated)

Explanation:

In short 2 systems in which blood enters and leaves

boyakko [2]3 years ago
3 0

Answer:

Double circulatory system is the flow of blood that passes through heart twice for one complete circulation.

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