Which detail is given in the chapter about "Change of voice in" in Secondary Sexual Changes?
The social changes are reflected in the behavior of adolescents with peers and parents.
My voice is strong and my face is manly - I have so much facial hair.
Change of voice in boys is a sign of adolescence.n n (Yes/No/Don't know) III.
The peak of growth of muscle mass is also typically around the age of 14 to 16 years.