Question

Explain cardiac cycle, no spam or Internet answers​

Answer 1

Answer:

The cardiac cycle has two phases namely, diastole and the systole. The diastole is the phase in which blood returns to the heart from the superior and inferior Vena cava and flows it into the right atrium. The blood flow occurs as result of contraction of the atrial muscle due to the depolarization of the atria.

Explanation:

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Answer 2

Answer:

The cardiac cycle is defined as a sequence of alternating contraction and relaxation of the atria and ventricles in order to pump blood throughout the body.

Explanation:

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