Create an account
What is the nervous system's function?
It controls and coordinates functions throughout the body and responds to internal and external stimuli
What are the two main divisions of the nervous system?
the central nervous system and the peripheral nervous system
What does the central nervous system do?
it is the control center of the body; it relays messages, processes information, and analyzes information
What does the peripheral nervous system do?
It receives information from the environment and relays commands from the CNS to glands and organs
What is the central nervous system protected by?
three layers of connective tissue called meninges that are around the spinal cord and brain
What is cerebrospinal fluid?
it bathes the brain and spinal cord and acts as a shock absorber and it also exchange of nutrients and waste products between blood and nervous tissue
What is the cerebrum?
The largest and most prominent region of the brain. It is the site of intelligence, learning, and judgement
What are the cerebral hemispheres?
a groove that separates the cerebrum into right and left hemispheres.
What does gray matter do?
processes information from the sense organs and controls the body's movements
What does gray matter do?
process information from the sense organs and control the body's movements
What does the cerebellum do?
It helps coordinate and balance actions of the muscles so that the body moves gracefully and efficiently
What do the medulla and pons do?
help regulate blood pressure, heart rate, breathing, and swallowing
What does the thalamus do?
receives messages from all the sensory receptors and relays it to the proper part of the cerebrum
What does the hypothalamus do?
it is the control center for recognition and analysis of hunger, thirst, fatigue, anger, and body temperature. It also controls coordination of the nervous system and endocrine system
What does the sensory part of the somatic nervous system do?
It transmits impulses from sense organs to the CNS
What does the motor part of the somatic nervous system do?
It transmits impulses from the CNS to muscles or glands
What are the five major categories of sensory receptors?
Pain receptors, thermoreceptors, mechanoreceptors, chemoreceptors, and photoreceptors
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 and try again
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