ANATOMY

Detailed explanation-1: -There are many billions of nerve cells, also called neurons, in the nervous system. The brain alone has about 100 billion neurons in it. Each neuron has a cell body and various extensions.

Detailed explanation-2: -The nervous system has two main parts. Each part contains billions of cells called neurons, or nerve cells. These special cells send and receive electrical signals through your body to tell it what to do.

Detailed explanation-3: -The human nervous system is estimated to consist of roughly 360 billion non-neural glial cells and 90 billion nerve cells. Furthermore, there are hundreds of different types of neurons based on morphology alone.

Detailed explanation-4: -The nervous system includes the brain, spinal cord, and a complex network of nerves. This system sends messages back and forth between the brain and the body. The brain is what controls all the body’s functions. The spinal cord runs from the brain down through the back.

Detailed explanation-5: -Your brain contains billions of nerve cells arranged in patterns that coordinate thought, emotion, behavior, movement and sensation.