Circulatory System Quiz

What is the primary purpose of a circulatory system?

• To help the organism move

• To get important resources to an organism's cells and to bring waste products away

• To provide structural support to the organism

• To process food into energy

What are some important resources that cells need?

• Oxygen and nutrients

• Carbon dioxide and minerals

• Sunlight and water

• Proteins and fats

What are some wastes that the circulatory system helps to remove from the body?

• Excess water and proteins

• Carbon dioxide and metabolic wastes

• Nutrients and oxygen

• Blood cells and platelets

What is the function of the atria in the heart?

• Pump blood out of the heart

• Carry blood back to the heart

• Receive blood

• Carry blood from heart to organs

What are arterioles?

• Blood vessels that carry blood back to the heart

• Muscular chambers for pumping blood

• Smaller vessels in between arteries and capillaries

• Vessels at the downstream end of capillaries

What is the primary function of capillaries?

• Pump blood out of the heart

• Carry blood from heart to organs

• Pass within a few cell diameters of every cell in the body for gas exchange and diffusion of chemicals

• Receive blood

Which vessels are responsible for carrying blood from the heart to other organs?

• Veins

• Venules

• Arteries

• Capillaries

What is the role of venules in the cardiovascular system?

• Carry blood from heart to organs

• Receive blood

• Pump blood out of the heart

• Small vessels between the capillaries and veins.

Which component of the cardiovascular system contains muscular chambers for pumping blood?

• Arteries

• Veins

• Heart

• Capillaries

What vessel carries oxygen-poor blood from the lower half of the body to the heart?

• Pulmonary artery

• Aorta

• Superior vena cava

• Inferior vena cava