Flashcard 6-1A: The Basics of the The Nervous System

Front

Nerves branching out from the spinal cord make up the

Back

Peripheral Nervous System

Front

Chemicals released by neurons, which determine the rate at which other neurons fire are known as the myelin sheath. True or False?

Back

False

Front

The following image makes up the ______________ nervous system.

Back

central

Front

What is the name of the gap that exists between the two individual nerve cells above?

Back

synapse

Front

In the anatomy of this neuron, which of the following is not labeled? Options: synapse, axon, nucleus, cell body, myelin sheath

Back

synapse

Front

The part of the nervous system that controls voluntary activities, like turning a page, is the

Back

somatic nervous system

Front

The _____________ insulates and protects the axon for some neurons.

Back

myelin sheath

Front

Also called motor neurons, the ____________ send signals from the brain to the glands and muscles.

Back

efferent neurons

Front

What is the name of the particles that will travel across the synaptic cleft in sample 2?

Back

neurotransmitters

Front

When a neuron fires, it always does so at full strength. This is known as the all-or-none principle. True or False?

Back

True