Answer:
Respiration is the chemical phenomenon in which cells obtain energy by combininatin oxygen and glucose.
The first one, axons can send messages.
In front of windows or even outside try staying away from open doors as well
Hope this helps, good luck ;)
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.