Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


Two double layered membranes (pleura) encloses each lung where gases (O2 and CO2) are exchanged


draws air into the lungs diaphragm is pulled down to make room for incoming oxygen


forces air out of the lungs diaphragm is pulled up to push carbon dioxide out of the lungs


movement of the diaphragm ribs and rib muscles forces the lungs to expand and contract

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!


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

Voice Recording