Multiple Choice
By 21-2 years of age, children's bodies have changed dramatically in appearance and proportions. What is the primary cause of this change?
A) muscle formation due to engagement in gross motor activities
B) lengthening of the bones of the arms and legs through ossification
C) increased nutritional intake due to more varied diet
D) myelination of the growth areas of the brain
Correct Answer:

Verified
Correct Answer:
Verified
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