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20 Cards in this Set

  • Front
  • Back

Medical science that studies the nervous system.


Two main divisions of the nervous system.

Central andperipheral.

parts of the central nervous system.

Cerebrum, cerebellumand spinal cord.

What is the peripheral nervous mostly made of?

Neurons and nerves.

Function of the nervous system.

Sense changes withinand outside the body.

Two kinds of cells that made up the nervous system

Neuroglia and neurons.

Main parts of a neuron.

Dentrites, cell body,axon and myelin sheath.

Communication between neurons.


Name of the two electrical signals.

Resting potential andaction potential.

What does the somatic nervous system do?

Controls voluntarymovements.

What does the autonomic nervous system do?

Controls involuntarymovements.

Examples of actions performed by the autonomic system.

Digestion, breathing,heart beating.

Located of gray matter.

Inside the spinal cord.

How many neurons are there in the brain?

100 billion.

What are the motor neurons for?

Activation muscles and glands.

What are the sensory neurons for?

Responds to stimulus.

What is a reflex?

The simplest behavior.

What do the dentrites do?

Respond to externalsignals.

What do the axons do?

Conducts signals longdistances.

What is a neuron?

A nerve cell.