Circulatory System & Blood

The function of the circulatory system is...

• to make the heart pump

• to bring O₂ into the body through the lungs.

• to send CO₂ out of the body through the lungs.

• to circulate blood/materials around the body.

Which materials are needed for respiration and are taken FROM the heart TO the cells?

• nutrients & oxygen

• carbon dioxide & water

• oxygen & carbon dioxide

• carbon dioxide & nutrients

Which material is a major waste product and is taken FROM the cells back to the HEART?

• blood

• nutrients

• oxygen

• carbon dioxide

Which blood part transports oxygen & carbon dioxide around the body?

• RBC

• Platelets

• Plasma

• WBC

Which blood part attacks germs and pathogens?

• RBC

• Plasma

• Platelets

• WBC

Which blood part is made mostly of water?

• Plasma

• RBC

• WBC

• Platelets

Which blood part helps clot blood when an organism gets cut?

• RBC

• WBC

• Plasma

• Platelets

Which blood vessel carries deoxygenated blood to the heart?

• veins and arteries

• capillaries

• arteries

• veins

Which blood vessel carries oxygenated blood away from the heart?

• arteries

• veins

• veins & arteries

• capillaries

In which type of blood vessel are materials exchanged?

• capillaries

• veins

• arteries

• veins & arteries