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Digestive System
Terms in this set (20)
Answer: A. Mechanical and chemical
Rationale: Digestion consists of two processes, mechanical and chemical. Mechanical digestion is chewing (or mastica-tion) of the food, then your stomach churning the food, and finally the small intestine (duodenum) absorbing the food. Chemical digestion is the work the stomach acids, bile, and enzymes do by breaking large carbohydrate, lipid, protein, and nucleic acid molecules into their subcomponents of nutrients
Rationale: Digestion consists of two processes, mechanical and chemical. Mechanical digestion is chewing (or mastica-tion) of the food, then your stomach churning the food, and finally the small intestine (duodenum) absorbing the food. Chemical digestion is the work the stomach acids, bile, and enzymes do by breaking large carbohydrate, lipid, protein, and nucleic acid molecules into their subcomponents of nutrients
Answer: B. Incisors, Cuspids, Molars
Rationale: There are three categories of teeth:
>The Incisors—The teeth in the front of the mouth. They are shaped like chisels and are useful in biting off large pieces of food. Each person has eight of these (four on the top, four on the bottom).
>The Cuspids—The pointy teeth immediately behind the incisors. Also called the canines, these teeth are used for grasping or tearing food. Each person has four of these (two on the top and two on the bottom).
>The Molars—The flattened teeth used for grinding food. They are the furthest back in the mouth, and their number can vary among people
Rationale: There are three categories of teeth:
>The Incisors—The teeth in the front of the mouth. They are shaped like chisels and are useful in biting off large pieces of food. Each person has eight of these (four on the top, four on the bottom).
>The Cuspids—The pointy teeth immediately behind the incisors. Also called the canines, these teeth are used for grasping or tearing food. Each person has four of these (two on the top and two on the bottom).
>The Molars—The flattened teeth used for grinding food. They are the furthest back in the mouth, and their number can vary among people
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