Answer:
I'm unaware of your age and weight and believe me, I am not a professional but it could be any of the following:
Explanation:
Heart attack (possibly) but if it re-occurs multiple times then unlikely, Pneumonia (also comes with coughing usually but not always), and an anxiety disorder (which is more than likely it but you should definitely mention it to somebody and also most definitely go to the doctor).
Yes.
The higher the aerobic capacity, the faster an athlete can endure competitions without fatigue.
Answer:
D
The body uses glucose as a source of energy. The body turns food into building blocks for cells. The body breaks proteins into monosaccharides. The body breaks fats into amino acids.