Biology Unit 8 Quiz 3

concussion

A _______ causes disruption of brain function

nerve

A neuron is a _____ cell

nervous

Gathering and interpreting information is a function of the _____ system

membrane

Impulses travel through neurons because of the reversal of ________ polarization

meninges

Protective membranes surrounding the brain are called

nervous

The _____ system allows us to interact with our environment, the physical world.

central

The brain and the spinal cord are considered the ______ nervous system.

cerebrum

The largest and uppermost part of the brain is called the:

protection

The main purpose of the cerebrospinal fluid is for

vertebrae

The spinal cord runs through and is protected by the

dendrite

branching "tree-like" structure

multiple axons

electrical cable

impulse

polarization

dendrite

receives signals

reflex arc

sensation and reaction circuit bypassing the brain

axon

single thread

synapse

space between neurons

surface area

the purpose of all the folds in the cerebrum increases the ________ ____

axon

transmits signal from cell body