Heart Quiz

What is the primary function of the heart in the circulatory system?

• To filter blood

• To pump blood

• To produce blood cells

• To store nutrients

What is the role of the nutrients supplied to the heart by the arteries?

• To generate electrical impulses

• To convert into energy that helps in heart contraction

• To cool down the heart during pumping

• To increase the heart rate

How many chambers are there in the human heart?

• 2

• 4

• 6

• 8

What is the function of the valves in the human heart?

• To pump blood

• To prevent backflow of blood

• To oxygenate blood

• To produce blood cells

Which valve is located at the entrance of the left ventricle?

• Pulmonary valve

• Aortic valve

• Tricuspid valve

• Bicuspid valve

Which of the following is NOT a semilunar valve?

• Pulmonary valve

• Aortic valve

• Tricuspid valve

• Both A and B are semilunar valves

Label the four chambers of the heart.

a

b

c

d

Left atrium

Right ventricle

Left ventricle

Right atrium

What is the primary waste product of aerobic respiration in cells?

• Oxygen

• Glucose

• Carbon dioxide

• Hemoglobin

What is the function of the right side of the heart?

• It pumps oxygenated blood to the tissues

• It pumps deoxygenated blood from the tissues to the lungs

• It pumps deoxygenated blood to the liver

• It pumps oxygenated blood directly to the brain

Which circuit is referred to as the "systemic circuit"?

• The pathway from the lungs to the heart

• The pathway from the heart to the body and back

• The pathway from the brain to the heart

• The pathway from the heart to the lungs