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Write down the composition of blood. |
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Answer» Blood consists of the following constituents:
Plasma: It is a yellow transparent liquid. It also contains salt. Red and white corpuscles float in the plasma. Red corpuscles are dislike in shape. The span of life of a red blood corpuscles is about 4 months. It is produced in bone marrow and ends in spleen. The chief function of white blood corpuscles is to protect the body against the invading external germs. These cells are colourless and change their shape. They are bigger and smaller in number as compared to red corpuscles. Blood platelets are meant for blood clotting. |
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