Quiz on the Human Heart

What is the size of the human heart?

• The size of a lemon

• The size of a basketball

• The size of a clenched fist

• The size of a grapefruit

Where is the heart located in the human body?

• In the abdomen

• In the thorax between the lungs

• In the neck

• In the pelvis

What are the two upper chambers of the heart called?

• Ventricles

• Coronary arteries

• Atria

• Valves

What is the function of the ventricles?

• To prevent backflow

• To pump blood out of the heart

• To receive blood

• To supply oxygen to the heart muscle

What prevents backflow of blood in the heart?

• Valves

• Ventricles

• Coronary arteries

• Atria

What are the names of the valves on the right and left sides of the heart?

• Tricuspid and bicuspid

• Atrioventricular and semilunar

• Mitral and pulmonary

• Coronary and aortic

What type of valves separate the ventricles from the main arteries?

• Semilunar valves

• Bicuspid valves

• Atrioventricular valves

• Tricuspid valves

How many times does the heart normally beat per minute?

• 60 times

• 75 times

• 90 times

• 120 times

What is the contraction of the atrium called?

• Atrial diastole

• Atrial systole

• Ventricular diastole

• Ventricular systole

What happens during ventricular systole?

• Blood flows back into the atrium

• The ventricle contracts forcefully

• The atrium contracts

• The ventricle relaxes