Ch. #3 Biology and the Brain - Neurons and the Nervous System

What term consists of the brain and the spinal cord?

• peripheral nervous system

• autonomic nervous system

• sympathetic nervous system

• central nervous system

What is made up of nerve cells that send messages between the central nervous system and all parts of the body?

• peripheral nervous system

• somatic nervous system

• parasympathetic nervous system

• central nervous system

What are nerve cells that send and receive message from other structures in the body?

• dendrites

• neurons

• axons

• synapse

A(n) ____________________ are thin fibers that branch out from the cell body.

• axon

• axon terminal

• dendrite

• myelin

What part of the neuron produces energy that fuels the activity of the cell?

• cell body

• axon terminals

• central nervous system

• brain

What part of the neuron carries messages away from the cell body?

• synapse

• dendrite

• myelin

• axon

What is the white-fatty substance that surrounds the axon in a neuron?

• myelin

• dendrite

• nucleus

• none of these

What is the junction between the axon terminals of one neuron and dendrites of another neuron?

• myelin

• neurotransmitter

• synapse

• dendritic cleft

_________________ are chemicals that are stored in sacs in the axon terminals.

• Hormones

• Neurotransmitters

• Spinal Fluid

• Synaptic Clefts

The ________________ extends from the brain down the back.

• spinal cord

• peripheral nerves

• somatic nerves

• autonomic nerves