How many sphincters does the human body have?
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Sphincters are found in many animals. There are over 60 types in the human body, some microscopically small, in particular the millions of precapillary sphincters. Sphincters relax at death, often releasing fluids. read more
Source: en.wikipedia.org
The sphincter urethrae, or urethral sphincter, controlling the exit of urine from the body. At the anus, there are two sphincters which control the exit of feces from the body (see internal anal sphincter and external anal sphincter). The inner sphincter is involuntary and the outer is voluntary. read more
Source: justanswer.com
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Source: webmd.com