Imagine seeing your body from the inside out, a hidden world where more than 30 trillion cells are constantly renewing and regenerating to keep you alive. Men typically have around 36 trillion cells, ...

What Is the Nervous ... tissue that runs from the lower part of your brain to your lower back. It's a bundle of nerves and cells that relays messages between your brain and the rest of your body.

The five vital organs in the human body are the brain, heart, lungs, kidneys, and liver. Other organs include the gallbladder, pancreas, and stomach. Organ systems, such as the nervous system ...

The central nervous system consists of the brain and ... The brain is the most complex organ in the human body; the cerebral cortex (the outermost part of the brain and the largest part by volume ...

The nervous system is a complex collection of ... the spinal cord 268 mph (431 km/h); the fastest transmission in the human body, according to Discover magazine. Sensory neurons react to physical ...

The human body is made up of interconnected ... There are four main types of tissues in the body: epithelial, connective, muscular, and nervous. For example, the heart is an organ composed of ...

Scientists have generated human stem cell models which contain notochord -- a tissue in ... to establish the body's main axis and guiding the formation of the spine and nervous system.

The team compiled a new archive of preserved human brains, which highlighted that nervous tissues actually persist in much greater abundances than traditionally thought, assisted by conditions ...