Question

Defecation is a combination of voluntary and involuntary processes. Which sphincters
are responsible for this?​

Answer 1

Answer:

sphincter which is inside acts involuntary and outer sphincter acts voluntary

Answer 2

Mate....

The defecation reflex triggers the two main sphincters around the anal canal. The first is the internal anal sphincter, which is a muscle that can't be controlled voluntarily. The second is the external anal sphincter, which is skeletal muscle that you have some control over.

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