Answers
Mastication is the process by which food is crushed and ground by teeth. It is the first step of digestion, and it increases the surface area of foods to allow a more efficient break down by enzymes. During the mastication process, the food is positioned by the cheek and tongue between the teeth for grinding.
Rumination is the focused attention on the symptoms of one's distress, and on its possible causes and consequences, as opposed to its solutions, according to the Response Styles Theory proposed by Nolen-Hoeksema.
Peristalsis is a radially symmetrical contraction and relaxation of muscles that propagates in a wave down a tube, in an anterograde direction.
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Explanation:
Mastification:
The process of chewing and grinding of food with the help of teeth is called Mastification.
Rumination:
The process of chewing and grinding of food with the help of teeth by the animals is called Rumination.
Peristalsis:
It's a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. The process of Peristalsis begins in the oesophagus when a bolus of food is swallowed.
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