Question

In frog open circulation or closed circulation.Explain

Answer 1

Answer:

Closed circulation in frog

Explanation:

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Answer 2

Answer:

see explanation

Explanation:

frogs have a well developed closed type circulatory system. heart of frog is three chambered ( two atrium and one ventricle). special venous connection like ''hepatic portal system'' and ''renal portal system'' are also present in frog.