Circulatory/Respiratory System Quiz

What is the circulatory system made up of?

• Lungs, blood, blood vessels

• Liver, kidneys, and stomach

• Heart, Blood Vessels, and Blood

• Larynx, Trachea, Bronchi

What is the main organ of the circulatory system?

• blood vessels

• blood

• lungs

• heart

Blood vessels that carry blood back to your heart are called 

• Arteries

• Veins

• Capillaries

• intestine

The smallest blood vessels are called 

• arteries

• veins

• vessels

• capillaries

The circulatory system carries ___________?

• Oxygen, and carries away carbon dioxide

• Oxygen

• Oxygen, nutrients and carries away carbon dioxide and waste

• carbon dioxide and carries away oxygen

These cells, in the blood, carry oxygen and give the blood its color.

• white blood cells

• plasma

• platelets

• red blood cells

_____ is the liquid part of blood.

• Plasma
• Platelets

• White blood cells

• Blood

The cells in the blood that help fight germs like bacteria and viruses

• red blood cells

• platelets

• white blood cells

• plasma

The job of the heart is to . . .

• pump blood around the body.

• bring oxygen into the body from the air

• break down food.

• give energy to the body.

The heart has ___ chambers.

• 1
• 2
• 3
• 4