About Nervous System
The nervous system is a complex system that regulates and coordinates body activities. It is the collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. Structurally, the Nervous system has two componenets: Central nervous system (comprises the brain and spinal cord) and Peripheral nervous system (neural elements). The nervous system consists of the brain, spinal cord, and a complex network of neurons, in addition to these, principal organs include: eyes, ears, Sensory organs of taste and smell, Sensory receptors located in the skin, joints, muscles, and other parts of the body.