Body Systems Review

Question 1

cardiovascular system function

Answer 1

-blood vessels transport O2 and nutrients through the blood to every cell of the body

Question 2

cardiovascular system changes with aging

Answer 2

• heart rate slow
• BP increases
• arteries(O2) and veins(non O2) constrict and reduce blood flow

Question 3

digestive system function

Answer 3

• digests food
• absorbs nutrients
• eliminates solid wastes

Question 4

digestive system changes with aging

Answer 4

• movement of food through the G.I. tract is slower (causing indigestion and constipation)
• stomach capacity dec. in size
• loss of taste
• gag reflex is less effective

Question 5

endocrine system function

Answer 5

-produces hormones that regulate body processes

Question 6

endocrine system changes with aging

Answer 6

-blood sugar level increases because of delayed release of insulin

Question 7

what is hyperglycemia?

Answer 7

-blood sugar is high

Question 8

what are symptoms of hyperglycemia?

Answer 8

• nausea
• headache
• labored breathing/respirations
• confusion
• unconsciousness

Question 9

what is hypoglycemia?

Answer 9

-blood sugar is low

Question 10

what are symptoms of hypoglycemia?

Answer 10

• shaking
• sweating
• hunger
• anxious
• dizziness
• headache
• irritable

Question 11

integumentary system function

Answer 11

• protects body against infection
• regulates body temp
• eliminates some wastes

Question 12

integumentary system changes with aging

Answer 12

• skin dries and elastic
• skin loses fatty layer, makes them colder
• nails thicken

Question 13

musculoskeletal system function

Answer 13

• supports and protects body parts

- allows the body to move

Question 14

musculoskeletal system changes with aging

Answer 14

• dec. strength, endurance, muscle, tone

- bones becomes brittle and porous

Question 15

nervous system function

Answer 15

• communication center that sends messages to all body systems
• controls how they function

Question 16

nervous system changes with aging

Answer 16

• less blood to brain= confusion
• forgets recent events
• slower reaction time
• dec. ability to feel temp

Question 17

respiratory system function

Answer 17

• bring in O2 by inhaling

- eliminate CO2 by exhaling

Question 18

respiratory system changes with aging

Answer 18

• lungs lose strength
• lungs less flexible bc they’re more rigid
• shortness of breath

Question 19

urinary system function

Answer 19

• produces and eliminates urine from body

- maintains fluid balance in body

Question 20

urinary system changes with aging

Answer 20

• kidney function reduced
• bladder capacity dec. (inc. urination)
• kidney function inc. at rest
• male: prostate gland enlarges, pressing on urethra