WITH ACCURATE ANSWERS GRADED A+
◉Musculoskeletal system changes with age. Answer: muscle cells
decrease, bone loses minerals (especially calcium), bones lose
strength and become brittle, mobility decreases, joints become stiff
◉Nervous system changes with age. Answer: nerve cells are lost,
blood flow to the brain is reduced, sleep pattern changes, sensing
heat and cold are reduced
◉Changes with the eye with age. Answer: eyelid thin and wrinkled,
pupil becomes smaller and responds less to light, clear vision is
reduced, glasses to read
◉Changes with the ear with age. Answer: changes occur in the
auditory nerve, eardrums atrophy (waste away), wax secretion
decreases, wax becomes harder and thicker
◉Circulatory system changes with age. Answer: heart muscle
weakens, arteries narrow and less elastic, need rest during the day