RIKEN researchers have imitated the formation of organs in the lab by "hacking" certain signaling pathways that guide the development of connective tissues in the embryo, which support the formation ...

Your Blood Vessels Could Circle Earth Four Times Laid end to end, an adult's blood vessels could circle Earth's equator four ...

For nine months, you were enveloped in the warm, comfortable world of your mother's womb. Your every need was taken care of. The placenta supplied you with oxygen from your mother's blood, so your own ...

Water and nutrients are important to keep living things alive and healthy. Animals, including humans, get these from what they eat and drink, but how do the water and nutrients get transported around ...

Schematic representation of gas exchange and waste removal processes within the human body (left). Schematic of a circulating air filtration system with a similar structure to the human body (right).