Describe the main organs and components of the nervous system.

The nervous system has two main parts: The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.

Explanation:

The ability to do work

Explanation:

Energy refers to the ability to carry out work.It is measured in Joules (J).Energy may exist in different forms such as potential energy when a body is at rest, kinetic energy when the body is in motion, etc.Energy can neither be created nor destroyed, however, it can be transformed from one form to another. For example, chemical energy may be transformed into mechanical energy or other forms of energy.