Question

draw a labelled diagram of heart and explain the process of blood circulation​

Answer 1

Answer:

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blood circulation

Blood circulation starts when the heart relaxes between two heartbeats: The blood flows from both atria (the upper two chambers of the heart) into the ventricles (the lower two chambers), which then expand. ... In the systemic circulation, the left ventricle pumps oxygen-rich blood into the main artery (aorta).

Explanation:

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Answer 2

Answer:

refer to attach image

Explanation:

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