Advertisements
Advertisements
Question
State the four ways in which saliva is useful to us.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Write names of different parts of human digestive system and explain functions of any three parts.
What is the name of tiny projections on the inner surface of small intestine which help in absorbing the digested food?
Study the following dental formula and then answer the question that follow:
`"i" 3/4 "c" 0/0 "pm" 0/1 "m" 1/1`
State the total number of teeth present in the dentition.
Fill in the blanks.
The ______ and ______ are used for crushing and grinding the food.
The question has four options. Choose the correct answer:
Parotid salivary glands occur
Who is telling a lie?
Tongue: My taste-buds can tell only a sweet taste.
What’s the solution?
A person has fainted, and a crowd of people has surrounded him.
In which of the following vertebrate group/groups, the heart does not pump oxygenated blood to different parts of the body?
Name the correct substrates for the following enzymes
- Trypsin
- Amylase
- Pepsin
- Lipase
Give two reasons, why bile juice is considered to be an important secretion of liver in the process of digestion?
