Question

Write a difference between single and double circulation

Answer 1

Answer:

Explanation:

SINGLE CIRCULATION

- BLOOD FLOWS ONLY ONCE THROUGH THE HEART DURING ONE CYCLE OF PASSAGE THROUGH THE BODY.

- OCCURS ONLY IN FISH.

DOUBLE CIRCULATION

- BLOOD FLOWS TWICE THROUGH THE HEART DURING ONE CYCLE OF PASSAGE THROUGH THE BODY.

- OCCURS IN ALL OTHER VERTEBRATES OTHER THAN FISHES.

Answer 2

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SINGLE CIRCUIT TYPE OF BLOOD CIRCULATION :

the type of blood circulation which the blood passes through the heart only once during a complete circulation of the body is called single type of circulation.

blood flow From heart to gills and then from gills to all body before it is returned back to heart.

DOUBLE CIRCUIT TYPE OF BLOOD CIRCULATION:

the type of blood circulation in which the blood passes through the heart two times during a complete Circulation of the body is called double type of circulation.

the circulation of blood between heart and the lungs is called pulmonary circulation while the circulation of blood between heart and the body (except lungs ) is called systematic circulation.

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