For boys, the usual sequence of physical changes in puberty is A. growth of the testes; initial pubic-hair growth; growth of the penis; spermarche. B. growth of the testes; growth of the penis; initial pubic-hair growth; spermarche. C. spermarche; growth of the testes; growth of the penis; initial pubic-hair growth. D. initial pubic-hair growth; growth of the testes; spermarche; growth of the penis
For boys, the usual sequence of physical changes in puberty is
A. growth of the testes; initial pubic-hair growth; growth of the penis; spermarche.
B. growth of the testes; growth of the penis; initial pubic-hair growth; spermarche.
C. spermarche; growth of the testes; growth of the penis; initial pubic-hair growth.
D. initial pubic-hair growth; growth of the testes; spermarche; growth of the penis