Draw a well laballed diagram of human heart and explain the circulation of blood with ray diagram
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Explanation:
its a diagram of human heart.
At rest human heart beat is 70-72 times per minute of an adult.
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Answer:
The circulatory system is responsible for the transportation of nutrients and gases like oxygen, for the body and metabolic waste products away from the body. The heart and the lungs play an important role in circulating and purification of blood throughout the body.
Explanation:
see the images
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