Cardiovascular System Unit Test

What is the primary function of the cardiovascular system?

• To digest food

• To transport nutrients and oxygen to cells

• To produce hormones

• To store energy

Which chamber of the heart pumps oxygenated blood to the body?

• Right atrium

• Right ventricle

• Left atrium

• Left ventricle

What is the name of the blood vessels that carry blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

Tags

NGSS.MS-LS1-3

What is the term for the pressure exerted by blood against the walls of blood vessels?

• Osmotic pressure

• Blood pressure

• Hydrostatic pressure

• Atmospheric pressure

Which ventricle has the thickest walls?

• Left Atrium

• Right Atrium

• Left Ventricle

• Right Ventricle

What is the arrow pointing to?

• right atrium

• left atrium

• right ventricle

• left ventricle

What is the arrow pointing to?

• right atrium

• left atrium

• right ventricle

• left ventricle

This blood vessel splits in two and sends oxygen-poor blood to the lungs.

• Left ventricle

• Pulmonary trunk

• Pulmonary veins

• Right atrium

Prevents blood from flowing back into the atria when the ventricles contract.

• Right ventricle

• SA node

• Semilunar valves

• Tricuspid and

  bicuspid valves

The main function of leukocytes are to ____________.

• become sticky and create a clot

• transport oxygen from the lungs to the tissues

• protect the body against infection

• create clotting proteins