Venous Return Curves

For now, I will just provide links to good reading. Note this is a confusing topic, and I still don't quite get it.

http://www.cvphysiology.com/Cardiac%20Function/CF027.htm

http://faculty.washington.edu/brengelm/COvsVR/COvsVRHeaderPg.html

http://jap.physiology.org/content/94/3/849.long