cardiac cycle

Question 1

what is the cardiac cycle

Answer 1

sequence of contraction and relaxation of the atrium and ventricles that keep blood flowing around body

Question 2

when do the volume of the atrium and ventricles change

Answer 2

when they contract

Question 3

step 1)

Answer 3

ventricles relax, atrium contract

Question 4

step 2)

Answer 4

ventricles contract, atrium relax

Question 5

step 3)

Answer 5

ventricles relax, atrium relax