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Question

Which of the following is the main function of RBCs?

A
To fight diseases in the body
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B
To carry oxygen to different parts of the body
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C
To increase levels of WBC
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D
To arrest bleeding
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Solution

The correct option is A To carry oxygen to different parts of the body
Red blood cells (RBCs), also known as erythrocytes, have two main functions: to pick up oxygen from the lungs and deliver it to tissues in the body and to pick up carbon dioxide from other body tissues and unload it in the lungs.
Hence the correct option is B.

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