AP PSYCHOLOGY

Detailed explanation-1: -Neurons (also called neurones or nerve cells) are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the electrical signals at every step in between.

Detailed explanation-2: -A type of cell that receives and sends messages from the body to the brain and back to the body. The messages are sent by a weak electrical current. Also called neuron.

Detailed explanation-3: -The basic unit of communication in the nervous system is the nerve cell (neuron). Each nerve cell consists of the cell body, which includes the nucleus, a major branching fiber (axon) and numerous smaller branching fibers (dendrites).

Detailed explanation-4: -Central nervous system (CNS): Your brain and spinal cord make up your CNS. Your brain uses your nerves to send messages to the rest of your body. Each nerve has a protective outer layer called myelin.

Detailed explanation-5: -The unit of the nervous system of the human body is known as the neuron. The neuron is also known as nerve cells of the body. A human brain consists of approximately 100 billion neurons. The neuron is considered a cell body that contains the nucleus and special extensions.