Question

where can we obseve single circuit blood circulation​

Answer 1

Answer:

The blood travels from the heart to the gills, where the exchange of gases takes place (carbon dioxide is released and oxygen is absorbed). The oxygenated blood from the gills then flows to various parts of the body and from these parts back to the heart.

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Answer 2

Answer:

Single circulation, i.e., blood flows through the heart only once during one cycle of passage through the body

Explanation:

Fishes have a single circulatory system. In a single circulatory system, the blood flows through the heart only once completing a full circuit in the fish's body.

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