The role of the human yolk sac in supporting early embryonic development and the first wave of the prenatal immune system has been mapped in a study published today (17 August) in Science. Researchers ...

The autonomic nervous system orchestrates the functions of internal organs such as the heart and gut, serving as a connection between the brain and the rest of the body. It is classified in two ...

What is an Organ-on-a-Chip? An organ-on-a-chip is a microfluidic device that simulates the key functions and physiological responses of a specific human organ or organ system on a miniaturized scale.

For skeptics of evolution, vestigial organs are pretty difficult to explain. The human body has inherited numerous adaptations from our ancient ancestors that no longer serve a purpose in our modern ...