Question

Differentiate between single and double circulation in vertebrates

Answer 1

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.

Answer 2

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Here is ur required answer...!!!

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SINGLE CIRCULATORY SYSTEM :

• Blood flows only once through the heart in a complete cycle.

• Blood is oxygenated in the gills.

• Found only in fishes.

• Pulmonary circulation is absent.

• Heat consists of two chambers.

DOUBLE CIRCULATORY SYSTEM :

• Blood flows in two circuit pulmonary and systemic.

• Blood  is oxygenated in lungs.

• Found in amphibians , reptiles birds and mammals.

• Pulmonary circulation is present.

• Heart consists of three or four chambers.

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