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What are the components of the transport...

What are the components of the transport systKHO in human beings?what are the functions of tehse components?

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Transport system in human beings consists of heart, and blood vessels.
Functions :
(i) Heart : Heart is a pumping organ to push and pull around the body. It receives the deoxygenated blood various parts of the body and pumps oxygenated blood the body.
(ii) Blood : It is a fluid connective tissue. It consists of: plasma, (b) RBC, ( c) WBC and (d) blood platelets. Plasma sports food, `CO_(2)` and nitrogenous wastes in dissolved. RBC transports respiratory gases and hormones. WBC the body from infections and platelets prevent the of blood at the time of injury by forming blood clots.
(iii) Blood vessels : There is a network of vessels. They in the circulation of blood throughout the body.
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