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.

Acoustics, Waves and Human Body Systems This class focuses on the role of waves in human body systems through student-directed inquiry using modern medical technologies and explorations of the ...

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.

‘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 ...

The relationship between the human mind and body has been a subject that has challenged great thinkers for millennia, including the philosophers Aristotle and Descartes. The answer, however ...

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