In nasogastric (NG) intubation, a tube is placed through your nose into your stomach. Your healthcare provider can use an NG tube to feed you and give you medicine. They can also apply suction to an NG tube to remove stomach contents.
Crayfish, also called crawfish or crawdad, any of numerous crustaceans (order Decapoda, phylum Arthropoda) constituting the families Astacidae (Northern Hemisphere), Parastacidae, and Austroastracidae (Southern Hemisphere). They are closely related to the lobster.
Crayfish are omnivorous, so they eat both plants and animals. They are also scavengers and will eat dead things, as long as they are relatively fresh. Some favorite foods of crayfish are worms, insects, insect larvae, and the eggs of fish, frogs, toads, and salamanders.rayfish are omnivorous, so they eat both plants and animals. They are also scavengers and will eat dead things, as long as they are relatively fresh. Some favorite foods of crayfish are worms, insects, insect larvae, and the eggs of fish, frogs, toads, and salamanders.