the heart

Question 1

parts of the heart

Answer 1

superior and inferior vena cava
right atrium and right ventricle
atrioventricular valves-bicuspid and tricuspid
left atrium and left ventricle
pulmonary artery and pulmonary vein
aorta
semilunar valves-aortic valve and pulmonary valve
septum

Question 2

role of vena cava

Answer 2

superior- carries blood from top half of body
inferior-carries blood from bottom half of body

Question 3

pulmonary atery

Answer 3

takes blood from right ventricle to lung

Question 4

pulmonary vein

Answer 4

carries oxygenated blood from lungs to heart

Question 5

right and left atrium

Answer 5

thin walled collection chambers

Question 6

right and left ventricle

Answer 6

allows full separation of oxy and deoxygenated blood

Question 7

why is left side of the heart thicker

Answer 7

pumps blood to whole body so needs to pump at higher pressure, thick walls can withstand better

Question 8

valves function

Answer 8

stop backflow of blood

Question 9

AV valves

Answer 9

connects atria to ventricles

Question 10

sl valves

Answer 10

connects ventricles to PA/ aorta

Question 11

coronary arteries

Answer 11

carry blood to the heart and give it its own blood supply