(A) the begning of systole
(B) the end of systole
(C) the begning of diastole
(D) the end of diastole
Answer: (A) the begning of systole
(A) the begning of systole
(B) the end of systole
(C) the begning of diastole
(D) the end of diastole
Answer: (A) the begning of systole