Adrenaline regulates the fight or flights response.
Can be the skin or tongue
Regular exercise and physical activity promotes strong muscles and bones. It improves respiratory, cardiovascular health, and overall health. Staying active can also help you maintain a healthy weight, reduce your risk for type 2 diabetes, heart disease, and reduce your risk for some cancers.
Answer:
Covering mouth while sneezing
Explanation:
It prevents germs going airborne and spreading to another person or surface.
The other answers are ways to get better from an illness or are just inefficient
I think it's Maggie and Nick