1.

The cardiac cycle is the sequence of events that occurs when the heart beats. In the (i)______, the heart ventricles (ii)______ and fill the heart with blood. In the (iii)_______ the ventricles (iv)________and pump the blood to the body through the arteries.

Answer»

The cardiac cycle is the sequence of events that occurs when the heart beats. In the (i)______, the heart ventricles (ii)______ and fill the heart with blood. In the (iii)_______ the ventricles (iv)________and pump the blood to the body through the arteries.





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