The Nervous System

This part of the neuron receives chemical messages from the neurotransmitters of other neurons. It is labeled A in the diagram.

Which part sends nerve impulse to the next cell?

The long, fiber like part of a neuron which the cell sends information to receiving neurons. Labelled D in diagram.

What is the gap between two neurons called?

Which statement best describes a reflex arc?

Where would the nerve impulse start in this reflex arc?

_____ neurons carry messages away from the central nervous system and out to muscles or glands. The RED neuron in diagram.

Which way does an impulse travel

How is a message delivered from the "sending" neuron to the "receiving" axon?

__________ carry messages between sensory neurons and motor neurons.

These type of cells are responsible for transmitting electrical signals from nervous system to various parts of the body.

This system controls everything you do.

A change or signal in the environment that makes the nervous system react is called a

The cells that carry information through your nervous system are

What is an automatic response that occurs very rapidly and without conscious control? They help to protect your body, such as blinking your eyelids in response to something.

TRUE or FALSE: All nerves have the same job. For example, they all carry messages to the brain

Select all that apply: The function of the nervous system is to control

The nervous system is composed of the ___, ___, and ___.

What is the function of the nervous system?

The basic unit of structure and function in the nervous system is a nerve cell. Nerve cells are also called-

what controls your involuntary muscles (digestion, heart, breathing)?

What is the number 1 pointing to?

What is the number 3 pointing to?

What is the number 2 pointing to?