What do you think would happen if the salivary glands do not function in our mouth?
Suppose your taste buds were affected what would happen to your interest in having food?
Mouth - the munching machine
Would you be able to comfortably munch your food if you had lost some of your teeth?
To show break down of food by using the model of chalkpiece kept in vinegar
Break a piece of chalk into two halves. Crush one half to tiny pieces leaving the other as it is. Take two small mineral water bottles (1/2 ltr bottle) cut them into two equal halves and discard the upper portion. Now we have two beakers from the lower cut portion.
Fill them half with vinegar and add the crushed chalk to one beaker and the other uncrushed half chalk to the other. Obseve them after half an hour or so.
Which one dissolved faster the crushed chalk or the whole one?
The above experiment tells us the need of mechanical crushing of food. Hence the food in the mouth has to be broken down into tiny pieces to increase the surface area for action of substances that aid in digestion.
How does this process of mechanical crushing go on in the mouth?
Which parts in the mouth are involved in this?
What are the systems involved in this process?
You know that teeth helps in chewing food material. Let us know about different types of teeth in our mouth and how they helps in digestive process
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