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Question

Define circulatory system.


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Solution

Circulatory system otherwise known as cardiovascular system consists of:

  1. Heart – muscular organ, located in chest cavity, between lungs. It has 4 chambers, two upper and two lower.
  2. Blood- is the body’s fluid connective tissue. It transport nutrients, hormones, minerals etc.
  3. Blood vessels – pathways through which blood travels through the body.
  4. Lymphatic system – consists of another body fluid called lymph. It is otherwise called interstitial fluid.

The main function is transportation of oxygen and carbon dioxide.


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