Question

question 22
in males, which is the first outward physical sign of puberty?
increased muscular development
increased larynx size and deepening of the voice
growth of testes
growth of hair, including armpit, pubic, chest, and facial hair

Explanation:

Puberty in males begins with the growth of the testes. This is an early - stage physical change. Increased muscular development, voice deepening, and hair growth occur later in the pubertal process.

Answer:

Growth of testes