Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.
Answer: its True
Explanation:
im Not 100% sure if it’s correct but if you do strenuous excersises it will make you more tired and you won’t be able to do them as much.
Answer:
Older adults, with the exception of those who require a fluid restriction, should consume at least 1500 mL of fluid per day.
Explanation: