lc asked in Science & MathematicsBiology · 1 decade ago

The effector organs of the autonomic nervous systems where Ach is excitatory inlcudes all the following except

choices are: Salivary glands / heart / intestines / stomach , which is right?

1 Answer

  • Amy Z
    Lv 6
    1 decade ago
    Favorite Answer

    Salivary glands.

    All of the other organs have muscle tissues. The heart has cardiac muscle and the intestines and stomach have smooth muscle. Muscle cells are typically excited by Ach, and sometimes hormones.

    But salivary glands are not muscle, and they are not affected by Ach.

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