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प्रश्न
State the four ways in which saliva is useful to us.
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उत्तर
The four ways in which saliva is useful to us are:
1. Moistens and lubricates the oral cavity and the tongue to make speaking and swallowing easy.
2. Acts as a solvent, dissolving some part of food to stimulate the taste
3. Cleans the mouth and destroys germs
4. Initiates digestion by converting starch into a simpler form, maltose.
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संबंधित प्रश्न
Name any four life processes in living things.
Write true or false for the below statement. Rewrite the false statements correctly.
The removal of faeces through the anus is called excretion.
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Correct the spellings: Caceum
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A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains:
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Choose the odd one:
What happens when we swallow our food?
What is chyme?
