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.
Some organs and tissues can be donated by living donors, such as a kidney or part of the liver, but most donations occur after the donor has died. As of August 1, 2016, there are 120,004 people waiting for life-saving organ transplants in the US. Of these, 96,645 await kidney transplants.