3 question report nonsense

19. Which does NOT tell that musculoskeletal and integumentary systems work together as one?

A. Thermoregulation is facilitated by the skin and the muscles.

B. The skin protects the muscles and other parts of the body.

C. The bones protect the muscles from high temperature.

D. The skin protects most internal organs of the body most importantly the skeletal muscles.

20. Which of the following statement is NOT correct?

A. The skin is the second line of defense of our body against external environmental factors

B. The integumentary and musculoskeletal systems give the body shape, support and protection.

C. The skin protects most of the internal organs of the body most importantly the skeletal muscles.

D. Skin has tiny holes or pores on its outer surface, when you exercise, sweat comes from these pores.



21. Which describes that the circulatory system works with respiratory system? The Circulatory System ___.

A. delivers blood with nutrients and oxygen from the lungs. C. helps remove wastes like urine

B. delivers deoxygenated blood from the small intestine D. circulates blood with extra salt and fat.​