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Beak
Molars
its ur TEETH
The Gizzard, it's the part of the worm that grinds up foods or solids.
The function of the crop in the digestive system of the the bird is to temporarily store food for later digestion. In seed eating birds the crop is like a pouch in the esophagus and no real digestion occurs there it occurs in the gizzard which grinds it all up.
A gizzard is a muscular organ inside a bird that grinds up food.
Either it's beak or it's gizzard, which contains rocks and stones, designed to crush the food into smaller particles, making it easier to digest :D
Since mastication means "chewing", the teeth since it grinds up food and maybe the tongue and salivary glands which aid in the breaking down of food.
The crayfish has both stomach and digestive gland because the stomach (pyloric and cardiac) grinds and stores the food while the digestive gland secretes enzymes to help break the food down.
A pigeon has a gizzard, crop, and cloaca that it uses to digest foods. The gizzard grinds up food and pebbles and the crop temporarily stores food. The cloaca is the opening for the intestinal, reproductive, and urinary tracts.
The digestive system processes food that is put into your body. The digestive system processes the food by breaking it down and absorbing the nutrients.
your digestive system beaks down food.