I just make sure I drink water every 10 minutes or so and make it a game lol
I think A is your answer.
You get diabetes by eating to much sugar, which is something you can control.
-Steel jelly.
Stress comes from being over worked or excessively involved in things that is too much to take , while asthmatic attack is due to a chronic problem that partaken on the person lungs and heart condition
The answer is either he is using his large muscles or his body heats up but I am not sure which one sorry hope I helped a little
The skeletal muscle, smooth muscle, and cardiac are controlled involuntarily.
I hope this helps :)