Which number shows the left atrium?

• 1

• 2

• 3

• 4

Which number shows the right ventricle?

• 1

• 2

• 3

• 4

Name blood vessel a

• vena cava

• pulmonary artery

• pulmonary vein

• aorta

Name blood vessel c

• vena cava

• pulmonary artery

• pulmonary vein

• aorta

Which blood vessel is the pulmonary artery?

• a

• b

• c

• d

Which blood vessel is the pulmonary vein?

• a

• b

• c

• d

Which heart chamber pumps blood to the lungs?

• right atrium

• right ventricle

• left atrium

• left ventricle

Which ventricle has the thickest muscular wall?

• left ventricle

• right ventricle

Which side of the heart contains deoxygenated blood?

• right

• left

Which letter is labelling the bronchus?

• A

• B

• C

• D