Advertisement Upgrade to remove ads

majority of brain cells (anywhere from 50-90% in brain tissue sample)

Glia cells

meeting point between two neurons where messages are shared
- Most volume of cell is not synapses (points of contact are small fraction of total cell.

Synapses

Occurs when not all cells are firing at the same time

Seizures

Neves that send impulse towards the nervous system from the body's muscles and skin. Messages are "incoming."

afferent

Nerves that send impulses away from the nervous system to the muscles. Messages are "outgoing."

efferent

Somatic nervous system-- voluntary or involuntary

voluntary

Autonomic nervous system-- voluntary or involuntary

involuntary

Division that tries to make organs as efficient as possible

Sympathetic Division

Division that tries to store as much energy as possible

Parasympathetic Division

Sympathetic and Sympathetic CAN or CANNOT both work completely at same time.

Cannot- seesaw

Nerve cells are derived from similar cells that go onto form our ________.

Skin

All nerve tissue not encased in bone (skull, spinal column) is part of the _________ Nervous System.

Peripheral

The _______ Nervous system consists of the nerves which directly connect to the skin, muscles, blood vessels, and organs of the body.

Peripheral

The __________ Nervous system sends messages to the muscles, and connective tissues attached to the skeleton and skin. Responsible for voluntary movements and sensations such as heat, cold, pressure, vibration, pain.

Somatic

The __________ Nervous system is responsible outside of the things we can control such as internal organs and glands, smooth muscles, and blood vessels.

Autonomic

The two subdivisions of the Autonomic nervous system

Sympathetic and Parasympathetic

The __________nervous system, or the "fight or flight" system, causes increased blood flow, increased heart rate, increased blood and respiration rates,and reduction of blood flow to tissues on body surface gas tracet.

Sympathetic

The nervous system known as the "rest and relaxation" nervous system... most active during digestion and resting.

Parasympathetic

The nervous system that causes a rise in blood from to gas tract and decreases heart rate, blood pressure, and respiration rates.

Parasympathetic

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set