largest muscle in body which connects the femur and the pelvic girdle
the strongest muscle in body which allows humans to open and close their mouths
a disease in which the masseter tightens and won't open. It is also called lockjaw.
rapid eye movement sleep (REM sleep)
part of the sleep cycle where your eyes move
attach to bones and allow you to move
muscles you can control by thinking about controlling them
when voluntary muscles move without any thought coming from your brain
when muscles are partly contracted
strong, flexible fibers that attach bones to skeletal muscles
a painful occurrence when tendons get inflamed from overuse
pairs of muscles that work together so that when one muscle contracts, the other relaxes
these muscles open the joint wider
these muscles close the joint
muscle on the top of the arm
muscle on the bottom of the arm
when a muscle becomes weak and shrinks when it is not used much
skeletal muscle cell that are long and thin
strands of protein
even smaller strips of cells inside the myofibrils
the stripes in skeletal muscles
a sugar used in your body
a special substance that carries nutrients throughout you body
when a person is unable to move a part of their body
when working cells no longer are using oxygen
energy production that uses oxygen
a waste product from your cells that can cause cramping
found in the heart; involuntary muscles
these muscles have no striations or stripes; they can be found in blood vessels, stomach, intestines or bladder
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
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.
Your microphone is muted
For help fixing this issue, see this FAQ.