Circulatory system - the heart

Question 1

what is the function of the heart?

Answer 1

pump blood around body

Question 2

1) _____ ____ brings in de-oxygenated blood from the body?

Answer 2

vena cava brings in de-oxygenated blood from around the body

Question 3

2) de-oxygenated blood from the vena cava passes from heart to the lungs via _________ ____?

Answer 3

de-oxygenated blood from the vena cava passes from the heart to the lungs via the pulmonary artery

Question 4

3) oxygenated blood passes from lungs into the heart via ________?

Answer 4

oxygenated blood passes from lungs to heart via pulmonary vein

Question 5

4) oxygenated blood is pumped from the heart out into the body via _____?

Answer 5

oxygenated blood is pumped from the heart out into the body via aorta

Question 6

the blood enters the heart through the left and right _____?

Answer 6

the blood enters the heart through left and right atrium

Question 7

atria contract and the blood is forced into the _______?

Answer 7

atria contract and blood is forced into the ventricles

Question 8

ventricles contract and blood is forced out of _____?

Answer 8

ventricles contract and blood is forced out of heart

Question 9

what is the function of the coronary arteries?

Answer 9

to supply heart with oxygenated blood

Question 10

what is the name for the group of cells in the right atrium that controls resting heart rate?

Answer 10

pacemaker