Create an account
Chemical protein in red blood cell that allows oxygen and carbon dioxide to bind to the red blood cell.
The force with which blood pushes against the walls of your blood vessels. Normal reading would be 120/80.
A small group of cells in the wall of the right atrium. This recieves signals from the brain to increase or decrease your heart rate.
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