Q1 of 95 Page 78

Name the two fluids that circulate in the body.

The two fluids that circulate in the body are blood and lymph.

Note: There are three major fluids in our body. Blood is contained in the heart and in the blood vessels of the circulatory system. Lymph is contained in the lymphatic organs (eg. spleen, tonsils) and lymph vessels. Tissue fluid occupies the space between the cells and organs.


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2

In the diagrams, we conventionally show veins in blue. What is the actual colour of the blood flowing through the following?

(i) In arteries


(ii) In veins


(iii) In capillaries

 3

In a coloured diagram why do we generally show the pulmonary artery in blue and pulmonary vein in red colour?

 4

Name any four substances transported by blood.

 1

Name the following:

The yellow coloured fluid part of the blood.