Nervous System

Which cell relays messages from one tissue to another?

• Red Blood Cell-RBC

• White Blood Cell-WBC

• Neuron

• Tissue

What is the main function of the nervous system?

• clean waste from the cells
• absorb nutrients for energy
• deliver messages to the brain

What are the three (3) main parts of the nervous system?

• cerebellum, cerebrum, medulla
• cochlea, nerves, vestibule
• brain, spinal cord, nerves

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

Dendrites do what?

• Receive messages (listen)

• Send messages (speak)

What helps speed up message transmission. Wear down as we age.

• Myelin Sheath

• Receptor sites

• Soma

• Gogli bodies

What type of neuron sends messages from your senses to your brain?

• Motor Neurons

• Interneurons

• Sensory Neurons

What type of neuron sends messages from your brain to your muscles?

• Motor Neurons

• Interneurons

• Sensory Neurons

What type of neuron processes messages and determines where to send them in your brain.

• Motor Neurons

• Interneurons

• Sensory Neurons

Receptor sites and axon terminals directly touch, allowing messages to move from one neuron to the next

• True

• False