Nervous System

Question 1

Function of Nervous system

Answer 1

The function of the nervous system is to detect impulses from the senses; control center of the body

Question 2

Major organs of nervous system

Answer 2

• Brain
• Spinal Cord
• Senses
• Nerves

Question 3

Difference between neurons and neuroglia

Answer 3

Neurons are highly specialized nerve cells that generate and conduct nerve impulses. Neuroglia are supporting cells that provide physical sport, remove debris, and provide electrical insulation.

Question 4

dendrite

Answer 4

receive the nerve impulses from the senses or another neuron

Question 5

soma

Answer 5

body of the neuron that holds the nucleus

Question 6

Schwann cell

Answer 6

A type of glial cell of the peripheral nervous system that helps separate and insulate nerve cells

Question 7

node of ranvier

Answer 7

a gap in the myelin sheath of a nerve, between Schwann cells

Question 8

myelin

Answer 8

an insulating layer, or sheath that forms around nerves, including those in the brain and spinal cord. It is made up of protein and fatty substances.

Question 9

axon

Answer 9

passageway for nerve impulses after cell body; end in axon terminal

Question 10

axon terminal

Answer 10

the button-like endings of axons through which axons make contact with other nerve cells.