Heart Structure and Function

The right side of the heart contains ___________________ blood.

• oxygenated

• deoxygenated

• oxygenated and deoxygenated

The __________ pumps oxygen-poor blood to the lungs.

• right ventricle

• right atrium

• left ventricle

• left atrium

What is the function of valves in the heart?

• To push the blood forward

• To increase the pressure of blood

• To prevent back flow of blood

• To create the pulse beats in the blood

The first chamber that blood enters in the heart is ___________.

• the atrium

• the ventricle

• the median septum

• the aorta

What does letter D represent?

• aorta
• left atrium
• left ventricle
• right atrium

Which valve is letter X?

• aortic
• bicuspid
• tricuspid
• pulmonary

Which number is the vena cava?

• 4

• 5

• 6

• 8

As the right ventricle contracts, the blood flows into the __________.

• pulmonary vein

• pulmonary artery

• right atrium

• vena cava

Which number is the pulmonary artery?

• 4
• 5
• 6
• 8

Which blood vessel carries oxygenated blood from the lungs to the left atrium of the heart?

• vena cava

• aorta

• pulmonary vein

• pulmonary artery