Answer:
Ear
Explanation:
Hearing is a series of events in which the ear converts sound waves into electrical signals and causes nerve impulses to be sent to the brain where they are interpreted as sound. The ear has three main parts: the outer, middle, and inner ear.
Electro shock therapy is what it's called. My mom had it done.
Answer:
hygiene , eating healthy, work out,
I believe the answer to your question will be that it responds appropriately to the stress.