heart quiz (revised)

Question 1

step one

Answer 1

blood enters heart one of two ways, superior vena cava or inferior vena cava

Question 2

step two

Answer 2

blood then enters right atrium (top of heart, chamber)

Question 3

step three

Answer 3

Blood enters right ventricle

Question 4

step four

Answer 4

Blood pumped from right ventricle out of heart through pulmonary arteries