1. What is a nutrient? *
O
a small chemical unit that makes up proteins
O
the body uses to help maintain and build cells
O
a nutrient and major source of energy for the body
chemical substance that gives your body what it needs to grow and function

a nutrient and major source of energy for the body

chemical substance that gives your body what it needs to grow and function

Explanation:

the sentence seems a bit jumbled.. but oh well. the third answer is it! a nutrient is a chemical substance that gives your bod things required to grow and function.

these are common warning signs of overtraining syndrome:

washed-out feeling, tired, drained, lack of energy

mild leg soreness, general aches, and pains

pain in muscles and joints

sudden drop in performance

insomnia

headaches

decreased immunity (increased number of colds, and sore throats)

decrease in training capacity/intensity

moodiness and irritability

depression

loss of enthusiasm for the sport

decreased appetite

increased incidence of injuries.

a compulsive need to exercise

perspiration and respiration.