Assertion: female reproductive system's development | /r/CapableOf | broaden shoulder
Facets:
Source sentences:
text: Male puberty generally occurs between the ages of 13-15 and is characterized by the secretion of the male hormone testosterone, which stimulates spermatogenesis (sperm production), and the development of secondary sexual characteristics (increased height and weight, broadening shoulders, growth of the testes and penis, pubic and facial hair growth, voice deepening, and muscle development).