Other factors that affect liquid flow rate include the liquid's viscosity and density, and the friction of the liquid in contact with the pipe. Direct measurements of liquid flows can be made with positive-displacement flowmeters. These units divide the liquid into specific increments and move it on.
And while the number of people dying while waiting for an organ transplant has decreased from 614 in 2011 to 469 in 2014, there have still been 195 individualsâ deaths this year after patients failed to find a donation in time.
How our flawed organ donor system is costing lives â but could easily be fixed. Eighteen Americans will die today while waiting for a kidney. For many of them, that didnât need to be the case. This sad fact gets far less attention than it deserves.