Create an account
1. protects the cell 2. helps give the cell its shape 3. controls what enter and leaves the cell 4. helps keep the cell material together
sort proteins and other cellular materials in order to store and release vital chemicals
makes up the heart as well as the muscles attached to bones and other parts of the body (like the stomach and blood vessels)
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