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Chewing is the process by which food is torn and/or crushed by teeth. It's the first step of digestion. Through chewing, the food is made softer and warmer and the enzymes in saliva begin to break down carbohydrates in the food.

After chewing, the food (now called a bolus) is swallowed. It enters the esophagus and continues on to the stomach, where the next step of digestion occurs.

Chewing is not solely for feeding. For example, among humans, chewing gum or tobacco is common.

Some animals, called ruminants, chew food more than once.

Chewing is sometimes called mastication.

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Topics: Chewing Louse, Chewing Gum, Chewing...

Chewing louseChewing lice Mallophaga have nearly 3000 species and represent the larger of the two traditional suborders of lice (cf. sucking lice). Recent classifications suggest that this group is paraphyletic and divide the Mallophaga into three separate suborders:

Chewing gumChewing gum is like confectionery, but it is made to be chewed, not swallowed. Unsweetened ( sugar free) chewing gum stimulates saliva production, and helps to clean the surface of the teeth (even sugary gum may be helpful, since the sugar dissolves out v

ChewingChewing is the process by which food is torn and/or crushed by teeth. It's the first step of digestion. Through chewing, the food is made softer and warmer and the enzymes in saliva begin to break down carbohydrates in the food. After chewing, the food (n

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