Question

the difference between single and double circulation system

Answer 1

Single circulatory system

In the circulatory system of a fish, the blood travels from the heart to the gills, where it absorbs oxygen and releases carbon dioxide. It then flows from the gills to the organs and tissues in the rest of the body, and back to the heart. There is just one circuit from the heart.

Double circulatory system

In the circulatory system of a mammal, there are two circuits from the heart:

1. blood passes from the heart to the lungs - where it absorbs oxygen and releases carbon dioxide - then back to the heart 2. blood passes from the heart to the organs and tissues in the body, and back to the heat

Answer 2

Heya user..!!

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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