Viruses because children immune system cannot repeal parasites (no one can) or bacteria that is why we wash or hands. Fungi is not something we can repeal either.
It’s C- Longer durations of large muscle exercises.
I think rotation?
sorry if it doesn't help i'm not entirely sure
Liver
Thyroid gland
Spleen
Answer:
Progressive overload
Explanation:
Progressive overload involves is a type of training that involves working the muscles in a continuous and consistent manner to achieve increased strength and endurance.
This is done by application of trainings such as tempo runs which subjects the body to how long it can endure certain strenuous conditions and to try to improve on them.