Answer:
true you could check the internet for more ividents
Answer:
Gases exchanged in the lungs are carried by the blood.
Explanation:
I would say "avoid over-training". I would say that this would most likely be the correct answer due to the fact that over working your body would be putting your body under too much work that you can really handle. And as you do that, when the real game happens, you could have to sore bones, and thus, this would then lead to an injury.
It can change your health by burning calories or being fit.
