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It begins in the mouth where long carbohydrate molecules(eg. starch) are broken down into smaller ones(eg. sugar) by components in the saliva.

You can easily test this yourself by chewing on a piece of bread after a minute or two it should start tasting sweet.

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13y ago
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8y ago

Digestion begins in the mouth. As food is being chewed, saliva, that also contains enzymes, coats the mashed up food, and so the digestion process begins.

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Q: How does chemical digestion begin?
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Related questions

The main chemical of the stomach is to begin the digestion of?

to begin the digestion of proteins


Where does chemical digestion begin for starches?

Chemical digestion of starch begins in the mouth.


Where does chemical digestion begin in the rat?

Like human, the chemical digestion of food begins in the mouth of the rat.


What organs secrete enzymes which begin chemical digestion in the mouth?

The salivary glands in the mouth secrete enzymes in saliva that begin chemical digestion.


Where does chemical digestion in rats begin?

Digestion for all mammals begins in the mouth with amylase found in the saliva.


In which structure does extracellular chemical digestion of protein begin?

Stomach


The main chemical activity of the stomach is to begin the digestion of proteins?

true


Where does chemical digestion begin and what food group does it break down?

mouth, proteins, lipides...


Where digestion begin in the digestion system?

Digestion begins in the mouth. Mechanical digestion begins with the chewing of food. Chemical digestion also begins in the mouth with the enzymes been produced and used to break down the food.


What is are produced as a result of the mechanical digestion of a piece of meat?

After a persons stomach was surgically removed the chemical digestion of ingested protein would probably begin in the


Where does the digestion of the food begin?

Chemical digestion begins in the mouth, when our salivary amylase breaks down starch(on a-plus) the STOMACH begins digestion of protein by emulsifying food.i promise you its the right answer.


Explain why chemical digestion does not begin in the mouth for all foods?

because the enzyme is not present in the mouth which digest it.