Question

Double circulation, function of lymph. ​

Answer 1

QUESTION :

Double circulation, function of lymph.

ANSWER :

Double Circulation -

Blood flows twice in the heart before it completes one full round that is the short pulmonary circulation between heart and the lungs and the long systemic circulation between heart and the whole body. For this reason, blood circulation in human body is called double circulation.

Functions of lymph -

1. It supplies nutrient and oxygen to every cell.

2.It helps to protect our body.

3.It removes excess fluid from tissue.

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Answer 2

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Double Circulation

Blood passes through the heart twice. Since the blood goes twice through the heart, it is known as double circulation.

Warm-blooded animals like mammals have this type of blood circulation.

Lymph

Lymph is an interstitial fluid or tissue fluid found in spaces between the cells.

 Lymph picks up bacteria and viruses and help them to destroy.Thus, it helps in defence.

It also helps in carrying digested and absorbed fats from intestine.