8 Biology - Unit 2 Circulatory System Quiz

What is the function of the aorta?

• Carries deoxygenated blood to the lungs

• Takes oxygenated blood to the body

• Pumps blood into the left atrium

• Transports nutrients to the cells

Which vessels carry blood at higher pressure in a small lumen away from the heart?

• Veins

• Capillaries

• Arteries

• Lymph vessels

What is the shape of a red blood cell described as?

• Spherical

• Cuboidal

• Biconcave

• Cylindrical

Where are bicuspid valves located?

• Between the right atrium and right ventricle

• Between the left atrium and left ventricle

• Between the ventricles and arteries

• Between the atria and veins

What is the force at which blood is pushed through the vessels called?

• Heart rate

• Blood pressure

• Pulse

• Diffusion

What is the function of capillaries?

• Carry oxygenated blood to the heart

• Transport blood at high pressure

• Allow diffusion of gases and nutrients

• Store blood cells

Tags

NGSS.MS-LS2-3

What is the cardiac cycle?

• The sound of a heartbeat

• The process of blood clotting

• The rhythmic contraction and relaxation of the heart

• The opening of blood vessels

Tags

NGSS.HS-LS1-3

NGSS.HS-LS2-3

What is the role of the circulatory system?

• To digest food

• To transport substances around the body

• To produce hormones

• To store energy

What type of blood is high in carbon dioxide and low in oxygen?

• Oxygenated

• Deoxygenated

• Plasma

• Platelets

What is diastole?

• The contraction of the heart

• The relaxation of the ventricles

• The opening of the valves

• The sound of the heartbeat