The human body is incredible. It is a unique system of interrelated structures and essential organs that work continuously to ...

What Is the Nervous System? Your nervous system is your body's main communication system. It sends messages from your brain to the rest of your body and helps you respond to changes inside and ...

The sheath acts as an insulator and speeds up nerve impulses. The branched ends of the axon and the smaller branches coming from the cell body allow the neurone to make connections with many other ...

The human body and its organs are composed of a wide variety of cell types. Although all cells contain the same genes, they ...

Scientists have found a reason why some people never seem to get warm while others never seem to feel the cold: some nerve cell receptors deep in the body are stimulated by signals other than ...

In the beginning, one cell becomes two, and two become four. Being fruitful, they multiply into a ball of many cells, a shimmering sphere of human potential. Scientists have long dreamed of ...

For example, heat and gentle touch were transmitted by entirely different types of cells. When the stimulus was more intense, the nerve cells ... are signaled in the body, we're identifying ...

We're all very complex organisms, made up of lots of different types of cells carrying out different jobs in our bodies; such as nerve cells ... types needed in your body. They're called stem ...