Create an account
Fast response time. Can be trained for strength.This muscle is voluntary, or under conscious control. Fatigues easily.
Beats 1000000 times a day.Medium- fast response time. strong for its size. Involuntary, not under concious control. Doesn't fatigue.
Slow response time. This muscle is involuntary. A strong muscle. Doesn't fatigue and has a locking contraction. Is usually the muscle that make up organs like the intestines and uterus.
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