Understanding Immune System, Body Systems, and Blood Pressure

What is the main function of the skeletal system?

• D. Delivering oxygen to the cells.

• C. Helping with digestion

• B. Protecting soft organs

• A. Pumping blood

What is the main function of the immune system?

• A. Pumping blood

• C. Helping with digestion

• D. Enabling movement

• B. Protecting the body from sickness

Which type of muscle is located in the heart and helps with blood flow?

• B. Cardiac muscle

• A. Smooth muscle

• D. Tendons

• C. Skeletal muscle

What is the largest artery in the body?

• C. Veins

• B. Capillaries

• A. Aorta

• D. Arteries

What is the hardest-working muscle in the body?

• A. Deltoid muscles

• D. Biceps

• B. Pectoralis muscles

• C. Heart

What is the main organ of the respiratory system?

• D. Kidneys

• C. Heart

• B. Lungs

• A. Liver

What is the function of antibodies in the immune system?

• C. Helping with digestion

• B. Attaching to antigens and destroying them

• D. Enabling movement

• A. Pumping blood

What is the function of memory cells in the immune system?

• B. Remembering antigens

• A. Pumping blood

• D. Enabling movement

• C. Helping with digestion

What is the function of the integumentary system?

• B. Protecting the body from sickness

• A. Pumping blood

• D. Covering the surfaces of the body

• C. Enabling movement

What is the function of the circulatory system?

• D. Covering the surfaces of the body

• C. Enabling movement

• B. Protecting the body from sickness

• A. Delivering oxygen and nutrients to the body.