HISTOLOGY
DIGESTIVE SYSTEM
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 Question 
 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
 
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  teeth 
 
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  tongue 
 
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  saliva 
 
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  esophagus 
 
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Detailed explanation-1: -There are three major glands that secrete saliva: the parotid, the submandibular, and the sublingual. Saliva contains mucus that moistens food and buffers the pH of the food.
Detailed explanation-2: -Saliva makes the food soft and also helps in its digestion.
Detailed explanation-3: -Going Down Small glands under the tongue release a watery liquid called saliva. Saliva makes the food soft, wet, and easier to chew. It also begins to chemically break down food with a special starch-to-sugar enzyme.
Detailed explanation-4: -bolus, food that has been chewed and mixed in the mouth with saliva. Chewing helps to reduce food particles to a size readily swallowed; saliva adds digestive enzymes, water, and mucus that help chemically to reduce food particles, hydrate them for taste, and lubricate them for easy swallowing.