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 ...

"Sperm is the actual reproductive cell, whereas semen is the fluid that transports and supports sperm. Think of sperm as the 'passengers' and semen as the 'vehicle' that ensures their safe passage." ...

The parts of the human female reproductive system. The bladder empties into the urethra but they are not part of the reproductive system ...

Medical experts reveal the surprising connection between tight jeans and fertility issues, easy ways to protect your ...

On this Sexual and Reproductive Health Awareness Day learn how certain diseases impact sexual and reproductive health their ...

Male: By the tenth week of pregnancy, a fetus's gender is evident, and by week 14 sex organs have formed. Female: At 20 weeks, a female fetus has a fully developed reproductive system, replete ...

Your reproductive organs produce the sex cells that make a ... The human reproductive system is an amazing bit of body kit. It also has parts on the outside of the body which are called genitals.