fill up the components of blood and their functions class 7
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Blood contains a fluid part called plasma and a cellular part comprising of red blood cells, white blood cells and platelets. Plasma contains water, salts and gases.
Following are the functions of blood:
It carries oxygen and food to all cells of the body.
It transports hormones.
It transports waste materials to the excretory organs.
It maintains fluid balance and body temperature.
It protects against diseases.
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