The Nervous System Is Divided into Two Main Parts

question 378

Multiple Choice

The nervous system is divided into two main parts:

• A)the central nervous system and the peripheral nervous system.
• B)the brain and the spinal cord.
• C)the neuron and the nerve.
• D)the brain and the nerves.

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Definitions:

Myasthenia Gravis

An autoimmune disorder that weakens skeletal muscles due to a breakdown in communication between nerves and muscles.

Electrical Charge

A fundamental property of matter that leads to electromagnetic force between objects. The charge can be positive or negative and is measured in coulombs.

Electrons

Negatively charged subatomic particles that orbit the nucleus of an atom.

Microelectrodes

Small electrodes used to record electrical activity or deliver electrical stimulation in biological tissue.