Protons Help Worms Defecate (IMAGE)

University of Utah

Protons Help Worms Defecate

Caption

The top diagram shows the cross-section of worm, including muscles that surround the intestine to help the worm defecate. The bottom diagram shows how protons act like neurotransmitters. The protons are pumped out of the intestine and then bind to receptors on the surrounding muscle. The receptors open to form holes or

Credit

Glen Ernstrom, University of Utah.

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