The Brain,nerves,spinal Cord,and Ganglia Are Organs of the ____________________.​

question 7

Short Answer

The brain,nerves,spinal cord,and ganglia are organs of the ____________________.​

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Definitions:

Ions

Atoms or molecules that have gained or lost one or more electrons, making them positively or negatively charged.

Chemical Process

A method or means of changing one or more chemicals or chemical compounds, often involving reactions that transform materials.

Cortisol

A hormone synthesized by the adrenal glands that is often secreted in reaction to stress and decreased levels of blood sugar.

Myelin Sheath

A fatty layer encasing the axons of some neurons, which increases the speed at which electrical impulses propagate along the nerve cells.