Circulatory System Test Review Quizizz

What is the main function of the heart?

• To produce hormones

• To digest food

• To filter waste products

• To pump blood throughout the body

Which chamber of the heart receives oxygenated blood from the lungs?

• Left ventricle

• Left atrium

• Right ventricle

• Right atrium

What is the largest artery in the human body?

• vein

• aorta

• capillary

• pulmonary artery

Which blood vessels carry blood away from the heart?

• Arteries

• Lymphatic vessels

• Veins

• Capillaries

What is the purpose of valves in the heart?

• To ensure one-way blood flow through the heart

• To control the heart rate

• To prevent blood from flowing through the heart

• To regulate blood pressure in the heart

What is the purpose of red blood cells?

• Regulating body temperature

• Producing antibodies

• Transporting oxygen and removing carbon dioxide

• Storing nutrients

What is the purpose of white blood cells?

• To produce energy for the body

• To regulate body temperature

• To fight off infections and diseases

• To transport oxygen in the body

Which blood vessels carry blood back to the heart?

• Capillaries

• Arteries

• Lymph vessels

• Veins

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