Answer:
keeps the body warm - vitamins
simple or complex- carbohydrates
helps the cell to function properly- protein
major or trace-minerals
fights off infection-fats
Answer:
It might be mucus or a swollen tissue
Explanation:
what happens is its your tube contract that temporarly opens, So it might be just mucus or a swollen tissue, its a very small chance that it's infected, If you really concerned talk to your doctor.
He should lower the speed he is going on the steps that way his heart rate won't go up too fast.
