Answer: It helps keep things like fluids and your tongue away from your airway.
Explanation:
Well the hormone would be one thing. I'd say because it strengthens our heart muscles and trains our breathing pattern to be more effective. These would lead to more efficient transportation of blood and hence oxygen to our whole body including our brain. Our brain becomes more alert, and our body more energetic.
Wading is considered an exercise, and it can be performed for pretty much any amount of time but usually 5-10 minutes
Answer:
I believe that it would be fear of what other people may say.
Explanation:
Personally, I would be scared that if i tell someone I am injured i will be horrified to hear that it is worse than i expected.