What are the components of blood ?
Why is blood needed by all the parts of a body ?

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Solution

There are two main components of blood - blood plasma and blood cells.
Blood plasma is the liquid part of blood containing water, food, wastes, enzymes etc.
Blood cells are of three types – Red Blood Cells (RBC), White Blood Cells (WBC) and Platelets.

Function of blood:
Blood transports digested food from small intestine to different parts of the body.
It carries oxygen from the lungs to the body cells and carbon dioxide from body cells to lungs.
Blood carries liquid wastes from cells to kidneys for removal.

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What are the components of blood ?Why is blood needed by all the parts of a body ?

What are the components of blood ?
Why is blood needed by all the parts of a body ?