Unit 7c Science Test-modified

What is the main function of the cardiovascular system?

• to transport blood to and from your body’s cells.

• To pump the heart.

• To collect fluid from the heart.

What are the 4 parts of the blood?

• Red blood cells, White blood cells, Plasma, and Platelets.

• Red blood cells, Fluid, White blood cells, Platelets.

• Red blood cells, Capillaries, White blood cells, Platelets.

Plasma is...

• The protein part of the blood.

• The fluid part of the blood.

• A connective tissue.

Red Blood Cells....

• Blood cells that help you stay healthy.

• A cell fragment that helps clot the blood.

• Blood that delivers oxygen to your body's cells.

White Blood Cells...

• Blood that delivers oxygen to your body's cells.

• Blood cells that help you stay healthy by destroying pathogens and helping clean wounds.

• A cell fragment that helps clot the blood.

Platelets....

• Help you stay healthy.

• A cell fragment that helps clot the blood.

• Delivers oxygen to your body's cells.

Blood Vessels...

• transport blood throughout your body.

• Directs blood back toward the heart.

• Directs blood away from the heart.

Artery...

• Blood vessels that direct blood toward the heart.

• Blood vessels that direct blood away from the heart.

• Smallest vessels in your body.

Capillaries....

• Directs blood away from the heart.

• Is a hollow tube that transports blood.

• The smallest blood vessels in your body. They take away carbon dioxide from the cells and then give the cells oxygen.

An upper chamber of the heart..

• Atrium

• Ventricle

• Valve