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Question : What are the components of the transport system in human beings ? What are the functions of these components ?

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Solution :The main components ofthe transport system in human beings are the heart, BLOOD and blood vessels.
• Heart pumps oxygenated blood throughout the body. It receives deoxygenated blood from the VARIOUS body parts and sends this IMPURE blood to the lungs for oxygenation.
• Blood helps in the transport of oxygen, NUTRIENTS, Co, and nitrogenous waste.
• The blood vessels (arteries, veins and CAPILLARIES) carry blood either away from the heart to various organs or from various organs back to the heart.


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