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How to eat screws, head or whole, which part is more scientific? Where does the screw discharge feces?
The foot that eats snails is the piece of meat it walks on, the piece with the "door panel" on it, and the innermost part is the intestines and other internal organs. Cut those off, leaving only the foot meat, except the smallest and last end, which is feces and genitals.

Extended data

The spiral shell is conical, thick, about 3 cm high, with 7 layers of spiral at the top, deep suture and slightly larger spiral layer. The shell surface is yellowish brown or dark brown with obvious growth lines and thick spiral lines.

The shell mouth is oval and the edge is complete. Horny, tan, oval, smooth, with concentric ring-shaped growth lines on it. The body is soft, the head is cylindrical, and the front end has a prominent nose;

There are 1 pairs of antennae at the base of the mouth, and each 1 antenna has 1 protruding eyes on the outside of the base. The foot is located under the head, with a large shape and a wide plantar surface. The head and feet can be retracted into the shell, and the snail shell will be closed after being retracted.

Snails can be said to be a large group, with more than 40 thousand species, belonging to mollusks among invertebrates. The outer body is covered with a conical, spindle-shaped or elliptical hard shell with a spiral shell, which can be used to protect the software;

The liquid secreted by the body can help it easily adhere to smooth surfaces, and it can also secrete harmful mixtures to stop predators. Snails are the floorboard of Gastropoda, a mollusk, and an important part of large invertebrates in wetland ecosystem.

References:

Luo. Baidu baike