Control of function: The sphincters are band of muscles around a lot of hollow organs controlling opening and closing around urethra, anus, mouth, eosophagus, stomac.
Answered 7/12/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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