The human body’s nervous system is complex. Consisting of the brain, spinal cord and sensory organs, the nervous system acts as the communicator of the body, receiving information, deciding what ...

The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...

Your sympathetic nervous system is one of the branches of your autonomic nervous system. It controls functions under unconscious control related to “fight or flight.” Your nervous system plays a ...

Skin is the body's largest organ and, along with hair, nails, and skin-associated nerves and glands, is part of the integumentary system, according to the National Library of Medicine (NLM). This ...

The development and eventual approval of modern drugs is hugely reliant on animal models and human clinical trials, but for some time now scientists have been working on an alternative and more ...

A team of researchers from Columbia Engineering and Columbia University Irving Medical Center has developed a multi-organ chip consisting of engineered human heart, bone, liver, and skin that are ...

The following outlines aspects of the female reproductive system, including the internal and external organs, the menstrual cycle, the egg, and reproductive hormones. The menstrual cycle is a monthly ...

Researchers have developed a new "body clock" tool that calculates people’s biological age — and could even predict the risk of disability or death. The tool, which comes from the University of ...

WASHINGTON (AP) — The Biden administration said Wednesday it will attempt to break up the network that runs the nation’s organ transplant system as part of a broader modernization effort. More people ...