Heart

Question 1

circulatory system

Answer 1

a system of blood vessels and valves to ensure one way flow of blood

Question 2

valves

Answer 2

structures that allow a liquid to flow in one direction only

Question 3

atria

Answer 3

the thin walled chambers at the top of the heart which receive blood

Question 4

ventricles

Answer 4

the thick walled chambers at the base of the heart which pump blood out

Question 5

septum

Answer 5

the structure that separates the left and right side of the heart

Question 6

pulmonary vein

Answer 6

are the veins that carrie oxygenated blood from the lungs to the left atrium of the heart

Question 7

venae cavae

Answer 7

the large veins that bring deoxygenated blood to the right atrium

Question 8

aorta

Answer 8

it recieves oxygenated blood from the left ventricle and delivers it to the body organs

Question 9

coronary arteries

Answer 9

Vessels that deliver oxygenated blood to the heart muscles

Question 10

pulse rate

Answer 10

the number of times an artery expands and recoils in a minute