Nervous System Review

The __________ 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 ____________________ 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