How do behavior, morphology and physiology act in concert to improve a male's reproductive success - and why is there so much variation among outcomes within and between species? Aa Aa Aa ...

Male: Boys do not produce sperm until puberty, so a male infant's reproductive system is largely unchanged ... from the onset of puberty (usually at 10 years of age) when a surge in testosterone ...

The function of the male reproductive system is to produce sperm cells - male gametes - and release them inside a female. The male reproductive system has two testes (singular: testis).

This is a lecture-based course that provides a comprehensive survey of the structure and function of the male reproductive system. Throughout the quarter, students will discuss the fundamentals of ...