A. excellent team work, When you play by yourself there is no team to work with.
you should consider how much and what type of exercises to do. And you should make sure to stretch before each excerise session.
Arrhythmia meaning the heart is beating too slow and or its beating too fast
You should drink more water than other drinks for example soda like they said ^ but yes I agree . Even tho there times I don't :-)
By building a friendly relationship with one another or by being responsible.