cardiac cycle

Question 1

1

Answer 1

beginning of diastole

all valves closed

Question 2

2

Answer 2

atrioventricular valves open during early moments of diastole
tricuspid and bicsupid valves open

Question 3

3

Answer 3

atrial contraction during final moments of diastole

Question 4

4

Answer 4

atrioventricular valves close

duirng beginning of systole

Question 5

5

Answer 5

semilunar valves (aortic and pulmonary) open

Question 6

6

Answer 6

ventricular contraction during systole