Question

10. Where and how is saliva produced ? What are its functions ? Define mastication,
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Answer 1

Answer:

Mastication is the mechanical grinding of food into smaller pieces by teeth; it is essentially a technical word for “chewing”. Mastication breaks down food so that it can go through the esophagus to the stomach. Breaking down food into smaller pieces also increases its surface area so that digestive enzymes can continue to break it down more efficiently. Muscles involved in mastication include the masseter, temporalis, medial pterygoid, and lateral pterygoid.

Function of Mastication

Mastication is step one of the digestion process. It breaks down food into smaller pieces so that it can be further digested by enzymes. Many different bones, such as the teeth and mandible (jaw bone), and muscles like the tongue and jaw muscles all work together to enable a person to chew food. Mastication should not be confused with maceration, which is the breaking down of food into chyme in the stomach.

Explanation:

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Answer 2

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Question:-

Where and how is saliva produced ? What are its functions ? Define mastication?

Answer:-

Saliva is produced and secreted by the salivary glands.

Functions:-

♦ It helps in the digestion of the food or you can say chemical digestion of substance.

♦ It helps in cleaning the mouth.

♦ It keeps our mouth wet, comfortable and relax.

♦ It helps us to chew, taste and swallow food.

♦ It also provides the proteins which keeps our teeth healthy and strong.

Mastication:-

Mastication or chewing is a complex process in which food is chewed, crushed and broken down then it is mixed with saliva and is converted to bolus for swallowing it.

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