Nervous System

What is the function of the nervous system?

• to control and coordinate body functions and systems.

• to protect the body from harm.

• to identify pain and begin healing.

• to break down food.

The basic unit of structure and function in the nervous system is a nerve cell. Nerve cells are also called-

• Osteocytes

• Dendrites

• Neurons

• Spinal Cords

The Central Nervous system includes what two organs?

• Brain and Nerves

• Brain and Spinal Cord

• Spinal cord and Nerves

• Nerves and Neurons

What is the inner most meningeal layer of the brain?

• Arachnoid

• Dura mater

• Pia mater

• Ventricles

The brain is covered in a membrane called:

• choroid plexus.

• meninges.

• ventricles.

• cerebral aqueduct.

Myelin would be made by what structure

• the red one

• the blue one

• the green one

• the purple one

What part of a neuron receives messages from other neurons?

• dendrite

• cell body

• axon

• axon terminal

what might be a job of a motor neuron?

• connecting to a muscle and helping you move

• connecting within the brain to help you make a decision

• sending a message toward your brain from a pain receptor in your skin

• all of these

Which best describes myelin?

• it is a neurotransmitter that triggers muscle contraction

• it is a protein that builds the axon

• it is a fat that speeds the message along the axon

• it is a fat that helps the neuron "hear" messages

part of a neuron that receives information from other neurons

• axon
• dendrites
• myelin sheath
• synapse