Question

List four functions of the human heart. Why is double circulation necessary in the human body ​

Answer 1

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Pumping oxygenated blood to the other body parts. Pumping hormones and other vital substances to different parts of the body. Receiving deoxygenated blood and carrying metabolic waste products from the body and pumping it to the lungs for oxygenation. Maintaining blood pressure.

Answer 2

Answer:

functions of human heart

1. it transport blood

2. it circulates the blood in the body while in the deficiency of oxygen

3. it ensures the life of a human

4. it helps in telling problems by increasing or decreasing heart beats

double circulation is necessary in human body because of different pathways for oxygenated and deoxyhenated blood