Circulatory System Quiz

What is the function of the circulatory system?

• To pump blood through the vessels to the entire body

• To digest food

• To regulate body temperature

• To produce hormones

What are the main components of the circulatory system?

• The heart, the lungs, the liver, the kidneys

• The brain, the stomach, the intestines, the skin

• The heart, the veins, the arteries, the capillaries

• The muscles, the bones, the nerves, the skin

What is the average adult heart size?

• Size of a basketball

• Size of a fist

• Size of a watermelon

• Size of a tennis ball

What is the function of red blood cells?

• To remove waste products from cells

• To help in blood clotting

• To fight infections

• To transport oxygen to the cells of the body

What is the function of white blood cells?

• To transport oxygen to the cells of the body

• To remove waste products from cells

• To help in blood clotting

• To protect against disease

What is the function of platelets?

• To transport oxygen to the cells of the body

• To help in blood clotting

• To fight infections

• To remove waste products from cells

How many common blood types are there?

• 2

• 5

• 3

• 4

What determines whether the blood can be positive or negative?

• Rh factor

• White blood cells

• Antigens

• Blood type

What are antigens?

• White blood cells

• Foreign substances in the blood

• Proteins embedded in the surface of a cell

• Red blood cells

What are antibodies?

• Attack foreign substances in the blood

• Foreign substances in the blood

• Proteins embedded in the surface of a cell

• Transport oxygen to the cells of the body