Neurons and Action Potentials

Front

What are the gaps between Schwann cells that increase the speed of the transmission of the signal down the neuron called?

Back

Nodes of Ranvier.

Front

Where are the nucleus and most of the organelles in a neuron located?

Back

In the cell body.

Front

What part of the neuron is protected by the myelin sheath?

Back

Axon.

Front

Identify the part of the neuron that contains the nucleus and organelles.

Back

Cell body.

Front

What insulating material forms a layer around the axon of a neuron?

Back

Myelin sheath.

Front

What is the primary function of dendrites in a neuron?

Back

To receive signals from other neurons.

Front

What is the role of the axon in a neuron?

Back

To transmit electrical impulses away from the cell body.

Front

What is myelin and why is it important for neurons?

Back

Myelin is an insulating layer that increases the speed of electrical signal transmission.

Front

What are neurotransmitters?

Back

Chemical messengers that transmit signals across a synapse from one neuron to another.

Front

What is the function of the cell body in a neuron?

Back

To maintain the cell and process information.