The circulatory system consists of one heart, five liters of blood, and approximately 96,000 kilometers of blood vessels, responsible for transporting nutrients and waste throughout the body.

video Human circulation This short film takes us on a journey around the circulatory system using the example ... focusing on two key functions of the skin - protecting the body from pathogens ...

Human circulatory and digestive system. videoHuman circulatory and ... focusing on two key functions of the skin - protecting the body from pathogens, and stopping the body from drying out.

Among many other things, sleep plays a crucial role in memory consolidation and other brain functions, supporting the immune system and healing after injury or disease, and protecting against heart ...

A genetically modified porcine liver has been successfully transplanted into a human subject, constituting a historic precedent in the field of organ transplantation. The liver demonstrated functional ...