"An individual human is either female or male based on whether the person is of the sex characterized by a reproductive system with the biological function of producing eggs (ova) or sperm." ...

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

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 ...

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 ...

One of the most fascinating aspects of human life is how we choose ... on strategies for maximizing individual reproductive success. Aa Aa Aa A mating system describes how males and females ...

The race will feature sperm samples competing in real-time via high-resolution imaging on a microscopic racetrack modelled on ...

A new study finds microplastics in nearly every organ of stranded sea turtles, including their reproductive systems.

Reproductive ... of the reproductive system. Improved understanding of reproductive biology can lead to new treatments for reproductive disorders, such as infertility. A human cellular and ...