Nervous System Brainpop

Which phrase best describes your entire nervous system?

• extensive & complex
• localized & inefficient
• unicellular& microscopic
• mindless & automatic

Tags

NGSS.HS-LS1-2

An impulse traveling through your nervous system is most similar to:

• a feather floating on the breeze
• a noise traveling through the air
• an electric signal traveling through a series of telephone lines
• a truck driving down an interstate highwsay

In what way are neurons different from other cells in your body?

• they don't have nuclei
• they have cell walls
• they have processes
• they don't contain DNA

______ send information; _______ receive information.

• terminals; dendrites
• somas; impulses
• processes; sheaths
• membranes; myelin sheaths

What is the main purpose of the myelin sheathes around neurons?

• they convert chemical signals into electrical signals
• they receive information from neighboring neurons
• they convert electrical signals into chemical signals
• they quicken the speed at which nerve impulses travel

Which animal most closely resembles an axon?

• sea anemone
• earthworm
• sponge
• jellyfish

Where can you find a synapse?

• inside the nucleus of a neuron
• between a dendrite and its terminal
• between neurons
• surrounding the body of a neuron

What is the best synonym for "neurotransmitter"?

• chemical messenger
• electric signal
• impulse receptor
• muscle spasm

Where in your body might you find sensory neurons?

• muscles
• mouth
• brain
• stomach

What part of a neuron is most similar to the other cells in your body?

• terminal
• axon
• dendrite
• soma