Create an account
A gland found just below the neck of children; helps immature immune system make white blood cells; disappears by teen years
Found in the neck; makes hormone thyroxine which controls the rate of metabolism (how rapidly food is burned)
A pea-sized gland at the base of the brain; makes growth hormone and many other hormones which control other glands; also known as "master gland"
Clear fluid in the plasma; passes through blood vessels to wash body cells; collects germs for later destruction
Found mostly near joints; white blood cells destroy germs collected by lymph; when ill becomes swollen with germs
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