Which of the following statements is NOT true? A. An infant has few reflexes at birth. They develop later in childhood.
B. Constant stimulation of the nervous system is important for health, growth, and development of an infant.
C. By age 7, the brain has reached 90% of the adult size.
D. By age 12, the brain has reached adult size.

B) Constant stimulation of the nervous system is important for health, growth, and development of an infant. Hope I helped!! :)

Explanation:

the answer is c   it wants me to write more for no reason bu c is the answer                                                                                                                

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