Answer: Integumentary.
Explanation:
The integumentary system is the system that protects the body from damage such as loss of water or abrasion from outside. For example, nails, hair, skin, etc.
That’s kinda hard because drugs can help you sometimes especially when it’s subscribed to you but then you can also get cooked on medicine like pain killers.
The older you get the less your body and mind is able to deal with stress and work
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