to keep your muscles warm to increase flexibility and reduce the chance of cramps.
a combination of body defenses made up of the cells tissues and organs that fight pathogens :)
I would say A because when swimming too fast that can cause cramps and that can cause you to drown some times
I think this says that self esteem is a bigger issue in schools than it used to be. a lot of teens have a low self esteem due to bullying and teasing in school. most of the higher self esteem children are the ones who think they are better than everyone else and they usually end up having a bad attitude towards other people which causes them to have very few friends.
Measurements taken to determine the status of basic body system functions are called VITALS
