Nervous System Review

The (a)   nervous system involves the brain and spinal cord.

Which brain function is thought to be the oldest, and has been present since our once primitive brain?

• The limbic system- controlling thoughts and emotions

• the reptilian brain- involving survival instinct

• neocortex--speech, logic, higher thinking skills

The (a)   nervous system includes all nerves outside of your brain & spinal cord that send and recieve nerve impulses.

The sympathetic part of your nervous system activates your fight or flight

• True

• False

The parasympathetic nervous system allows you to be in homeostasis; "rest & digest"

• True

• False

Tags

NGSS.HS-LS1-3

Your brain sends messages to your peripheral NS by way of electrical impulses carried by nerve cells called:

• Somas

• Dendrites

• Neurons

• Axons

Tags

NGSS.MS-LS1-8

The part of the neuron where nerve fibers pick up information from other nerve cells

• dendrites

• axon

• soma (cell body)

• synapse

Tags

NGSS.MS-LS1-8

NGSS.MS-LS1-2

What part of the neuron is the cell body, that recieved information and contains the nucleus?

• Dendrites

• synapse

• soma

• axon

Tags

NGSS.MS-LS1-2

This part of the cell is protected by the mylein sheath, it is a long projection that sends information to other cells, acting as the "output"

• Dendrites

• synapse

• soma

• axon

Tags

NGSS.MS-LS1-2

The chemical signal that allows neurons to communicate with other neurons or muscle tissue are called...

• synapses

• neurotransmitters

• enzymes

• hemoglobin