No, only doing crunches will not help. You will have to do a variety of excercises to help lose weight around the belly. A good example of excercises that will help you lose weight would be cardio excercises.
B. agility is a skill related component of fitness.
Since it’s 2020 and we are going through a pandemic atm you could put someone like: An action I would take to improve their health of my school would be to have classrooms sanitized and bathrooms have refilled soap. This will improve less germs to spread and less people to get sick. Once someone gets sick their immune system is low and they are at higher risk to catch something worse.
(I put for bathrooms to have soap refilled because ik my school sucks at that XD) but you’d am always change how you word it.
The muscles surrounding the airways contract
It depends but it’s really important that you get 7-8 hours of sleep depending on your age
