Anonymous asked in Science & MathematicsBiology · 1 decade ago

effect and mechanism of action of ACh on movement ofgastrointastinal smooth muscle?

1 Answer

  • 1 decade ago
    Favorite Answer

    ACh is released by postganglionic parasympathetic nerves and activates the opening of Na+ channels, causing depolarization leading to smooth muscle contractraction in the GI system.

    Source(s): university
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