The Circulatory System Quiz

What is the primary function of the heart?

• To act as a pump to move blood throughout the body

• To filter blood

• To produce blood cells

• To store oxygen

Which of the following is NOT a chamber of the human heart?

• Pulmonary Artery

• Right Ventricle

• Left Atrium

• Right Atrium

What is the role of heart valves?

• To control the direction of blood flow

• To regulate body temperature

• To produce red blood cells

• To store oxygen

Where does deoxygenated blood enter the heart?

• Left Atrium

• Right Atrium

• Left Ventricle

• Right Ventricle

What happens to blood in the lungs?

• It is filtered

• It picks up carbon dioxide and releases oxygen

• It picks up oxygen and releases carbon dioxide

• It becomes deoxygenated

What is the average blood pressure for a healthy adult?

• 140/90

• 120/80

• 130/85

• 100/70

Which type of blood vessel carries oxygenated blood away from the heart?

• Capillaries

• Venules

• Arteries

• Veins

What is the function of capillaries?

• To connect arterioles and venules

• To carry blood at high pressure

• To store blood

• To produce white blood cells

What is the sound of a heartbeat referred to as?

• lub-DUB

• beat-beat

• tick-tock

• thump-thump

What helps move blood back to the heart in veins?

• Valves and muscle contractions

• Gravity

• Oxygenation

• High blood pressure