3.03 Nervous System: Crash Course Video

What is the primary function of the nervous system as mentioned in the video?

• To digest food

• To control all physiological and psychological reactions

• To regulate body temperature

• To produce hormones

​ ​ (a)   , ​ (b)   , and ​ (c)   are the three principal functions of the nervous system discussed in the video.

• Sensory input
• integration
• motor output
• processing
• reaction
• Communication
• coordination
• control
• input
• storage

Which part of the nervous system is referred to as the control center?

• Peripheral nervous system

• Autonomic nervous system

• Central nervous system

• Somatic nervous system

The central nervous system consists of the brain and spinal cord.

• True

• False

The motor divison of the nervous system is responsible for:

• Picking up sensory stimuli

• Sending directions from the brain to muscles

• Creating cerebrospinal fluid

• Protecting neurons

What is the role of sensory receptors mentioned in the video?

• To process thoughts

• To detect stimuli

• To generate motor output

• To regulate emotions

The autonomic nervous system controls voluntary actions like moving your arm.

• True

• False

What is the insulating barrier that wraps around neurons called?

• Myelin sheath

• Axon

• Dendrite

• Neuroglia

What type of cells outnumber neurons in the brain?

• Ependymal cells

• Oligodendrocytes

• Glial Cells

• Astrocytes

Which glial cell type is known for providing support and surrounding neuron cell bodies in the peripheral nervous system?

• Astrocytes

• Schwann cells

• Microglial cells

• Ependymal cells