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Answer the following questions briefly.
1. Name the different types of teeth found in human being
2. What is the function of saliva in the process of digestio
3. Write the functions of the tongue.
4. What is peristalsis?
5. What are villi?
6. How does the liver help in the digestion of food?
7. What is rumination?
G Answer the following questions in detail.
Answers
Answer:
1) Incisors,canine, moral ,premoral
2) The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches t
the stomach
3) The tongue is vital for chewing and swallowing food, as well as for speech. The four common tastes are sweet, sour, bitter, and salty. A fifth taste, called umami, results from tasting glutamate (present in MSG). The tongue has many nerves that help detect and transmit taste signals to the brain.
4) Peristalsis is a radially symmetrical contraction and relaxation of muscles that propagates in a wave down a tube, in an anterograde direction.
5) Villus, plural villi, in anatomy any of the small, slender, vascular projections that increase the surface area of a membrane. ... The villi of the small intestine project into the intestinal cavity, greatly increasing the surface area for food absorption and adding digestive secretions
6) Liver. Our liver makes a digestive juice called bile that helps digest fats and some vitamins. Bile ducts carry bile from your liver to your gallbladder for storage, or to the small intestine for use.
7) The process of continuously thinking about the same thoughts, which tend to be sad or dark, is called rumination. A habit of rumination can be dangerous to your mental health, as it can prolong or intensify depression as well as impair your ability to think and process emotions.
Explanation:
1. molar, premolars , inscisors, canine
2. to keep the bolus of food altogether and carry some enzymes
3. to taste the food
4. -
5. villi are finger like projections on the outer surface of small intestine
6. liver secretes enzymes that help in digestion of food
7. cows and buffaloes eat the grass and bring back it to the mouth and chew again this is called rumination
ask only one question at a time its becomes boring to answer these many questions