Nervous System

Front

Neuron

Back

A nerve cell that transmits electrical impulses.

Front

Neurotransmitter

Back

Chemical messenger that transmits signals across a synapse.

Front

Synapse

Back

The junction between two nerve cells where impulses are transmitted.

Front

Cerebrum

Back

The largest part of the brain, responsible for voluntary actions.

Front

Cerebellum

Back

The brain region that coordinates movement and balance.

Front

Medulla Oblongata

Back

Controls involuntary functions like breathing and heart rate.

Front

Meninges

Back

Protective membranes covering the brain and spinal cord.

Front

Myelin Sheath

Back

Insulating layer around nerve fibers for faster signal transmission.

Front

Reflex Arc

Back

The pathway that mediates an involuntary response.

Front

Spinal Cord

Back

The main communication pathway between the brain and body.