How many sphincters are in the human body?
There are over 50 different sphincters in the human body; some of these sphincters are microscopic in size. ChaCha!
Answered -
Older Answers
A sphincter is a ring of muscle that contracts to close an opening. Some sources say we have over 40 in our body. Some say 1.
Answered by Amy M. -
There are over 40 different sphincters in the human body; some of these sphincters are microscopic in size. ChaCha!
Answered by Christine F. -
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