A(n) is the amount of energy released when nutrients are broken down.

you can pull a muscle   or fracture something

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

i think the answer is d.

was there more to the question like a picture or something? also i mean with no picture i think something that's not likely to be an educational impact would probably be the way the child is raised since it has special health care needs