Create an account
Four veins which return oxygenated blood from the lungs to the left atrium of the heart.
The iron-containing pigment of the red blood cell. Its function is tocarry pxygen from the lungs to the tissues, included in the CBC
Protein substance produced by elements of the blood and tissues which form a network as the case of clots
Blood vessels carrying blood to the heart, except for the pulmonary veins, which carry oxygenated blood.
the layer of epithelial cells that lines the cavities of the heart, blood and lymph 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