The world’s first sperm race is here! Over 1000 people will watch the first-ever sperm race live Learn why this event is ...

The male reproductive system has two testes (singular ... giving insight to the human body and its capabilities. BBC Teach has thousands of free, curriculum-linked resources to help deliver ...

Fertilisation close fertilisationThe joining of a male and female gamete. happens if the egg cell meets and joins with a sperm cell in the oviduct. The fertilised egg attaches to the lining of the ...

We will also consider perturbations to the male reproductive system that can lead to infertility ... particularly around the concepts of human reproductive development and ways to regulate and restore ...

Human sperm count has fallen by over 50 ... such as phthalates," can also disrupt the development of the male reproductive system," Levine added, speaking with CNN. Even climate change and the ...

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 ...