If you pinch it right, the vein _ the crawfish's digestive canal _ will pull out along with the tail armor.
2.
Camels can defecate with dry stool because they have evolved a digestive canal that allows them to defecate with dry stool.
3.
Bug-zappers, the devices hung around backyards in barbecue season, do kill flies and mosquitoes, but they also cause airborne bacteria and virus-laden particles from the insect's surface area and digestive canal to rain down.
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