Circulatory System

What does pulmonary circulation involve?

• Blood flow between the heart and limbs

• Blood flow between the heart and lungs

• Blood flow between the heart and brain

• Blood flow between the heart and liver

Which circulation type handles the transport of blood from the heart to the rest of the body?

• Renal circulation

• Pulmonary circulation

• Systemic circulation

• Coronary circulation

Which cells in the blood are primarily responsible for immunity?

• Platelets

• White blood cells

• Red blood cells

• Plasma cells

How much blood does an average adult human body contain?

• About 2 gallons

• About 3 gallons

• About 0.5 gallons

• About 1.5 gallons

What is the main function of red blood cells?

• To fight infections

• To carry oxygen

• To carry nutrients

• To remove waste products