they can make you faster and stronger
it depends on which sport you are playing.
It affects your concentration and the performance. If you're very anxious, you can not focus or concentrate on work, school, and sports.
They get weaker so they get injured very easily.
Cohesion is the action of water molecules sticking together
If you dont get enough sleep, you will be fatigued, which will affect performance.
not performing to the to the best of there ability and not being able to the concentrate enough
nervousness affects the athlete's concentration. this can make there performance like getting of the start in a race not very solid. the nervousness kicks over and it affects your team morale (if in a team) that will affect the end result.
It affects you because the smoke effects you lung and makes it hard for you to breath as well as run slower then you normally do.
A questionnaire used to measure cohesion in team sports
no, your tardiness in studying affects your school performance. The size of your head or brain is not related in the school performance.
Smoking affects your sports performance because there may become a build up of tar in the lungs so the oxygen and carbon dioxide cant get to where it needs to be quick enough