Heart structure and function

Blood travels through the heart twice before returning to the body

The

External view of the heart

pulmonary
artery

pulmonary
vein

coronary
artery

left
ventricle

right ventricle

inferior
vena cava

right

The vena cava carries deoxygenated blood from the body to the

The right atrium collects deoxygenated blood and pumps it to the

The right ventricle pumps deoxygenated blood to the lungs

right ventricle

The pulmonary artery carries deoxygenated blood from the right ventricle to

The septum separates the left and right sides of the heart

septum

The pulmonary veins carry oxygenated blood from the lungs to the

The left atrium collects the oxygenated blood and pumps it to

The left ventricle pumps oxygenated blood to the body via the

The aorta carries the oxygenated from the left ventricle to the

Atrio-ventricular valves prevent backflow of blood into the atria when ventricles

The semi-lunar valves prevent backflow of blood from the arteries into

Summary Quiz

Identify the part of the heart indicated by an arrow

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Question 10

Answers

1 left ventricle
2 vena cava
3 right atrium
4 pulmonary artery
5 aorta
6 pulmonary