Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.

As India prepares to receive its first astronaut, who is returning from the International Space Station, the spotlight turns ...

The system of blood vessels in the human body measure about 60,000 miles (96,560 kilometers). Arteries carry oxygen-rich blood from the heart through the body.

1st level Science Body systems learning resources for adults, children, parents and teachers.

Peripheral nervous system 31 pairs of spinal nerves connect your spinal cord to the rest of your body. These nerves are part of your peripheral nervous system.

For most of human history, the inner workings of the human body were a secret. Over the last few centuries, the invention of the microscope and other scientific techniques allowed scientists to ...

Scientists have generated human stem cell models which contain notochord -- a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and ...

Vlasman says this prototype, with a blood stream and nerve signals transmitted throughout the connectors, changes the human body from a closed system to an open-source system.

Scientists have developed a 'GPS' system that can track inside the human body "In-body GPS" developed by researchers at MIT, can track implants with an accuracy of 1.4 centimeters.

‘Dormant’ HIV has ongoing skirmishes with the body’s immune system In people on HIV drugs, the virus may still exhaust T cells, making it hard to fight back ...

Extreme heat waves are pushing the human body to the limit. Without ways to cool down, the high temperatures can prove harmful or even fatal. Here, a person attempts to stay cool during a record ...

Back to top Human body homepage The body homepage Interactive body Senses challenge Brain map Nervous system game Facts and features Nervous system anatomy diagram Brain Balance Hearing Lemon ...