Venous return to the right ventricle

A good illustration about normal physiology is always refreshing. Fee things to remember: Heart muscle needs to strech in order to contract, so it requires a lot of blood to return to the ventricle from both sup and inf vena cava. This returning blood dilates helps the ventricle to dilate (it does it partially alone) causing a strong sistole and increasing heart rate. The net effect is an increase in cardiac output (more blood pumped per minute). This is known as the Frank Starling Law:

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Click to enlarge and download.

Remember these illustrations are free for looking, downloding and sharing. Tell your friends about the blog. Help it grow. Hope you find it useful. Thanks!

-The Plague Doctor

2 comments

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  2. I am not positive where you are getting your info, but good topic. I needs to spend some time learning much more or working out more. Thank you for great info I used to be searching for this info for my mission.

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