Multiple choice

What is the main function of the circulatory system?

  1. It transports nutrients from their sites of absorption to different tissues and organs for storage.

  2. It carries waste products of metabolism from different tissues.

  3. It transports respiratory gases.

  4. It uniformly distributes water, H+ and chemical substances all over the body.

  5. All of the above
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E Correct answer
Explanation

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