produce and transport semen, which contains sperm release sperm into the female reproductive tract during sex make male sex hormones, such as testosterone Have you ever wondered what the different ...

In Brazil, researchers at São Paulo State University (UNESP) conducted experiments on rats and identified that a ...

Waves of undulating cilia drive several processes essential to life. They clear debris and mucus from the respiratory tract, move spinal fluid through the brain and transport embryos from the ovaries ...

In a review article published in the journal Molecular Aspects of Medicine, authors have analyzed current evidence on the impact of obesity on the male reproduction system. They have thoroughly ...

Recent studies of non-social animals have shown that sexually selected traits signal at least one measure of genetic quality: heterozygosity. To determine whether similar cues reveal group quality in ...