Q1) What is teething?
Q2) Distinguish between Temporary Teeth and Permanent teeth.
Q3) Draw labeled diagram of different types of teeth present in Mouth.
Q4 ) Match the following.
| 1) Incisor | a) crushing food | |
| 2) Premolar | b) cutting and biting food | |
| 3) Canine | c) grinding food | |
| 4) Molar | d) cutting and tearing food |
Q5 ) Write Short Note on Structure of Tooth.
Q6 ) Why is it important to take care of the teeth?
Q7) Why are blood vessels present in the tooth?
Q8) List 2 ways of keeping our teeth healthy.
Q9) What is digestion? Where does the process of digestion start and end?
Q10) Name the different organs of the digestive system.
Q11) Complete the Working of Digestive System.
a) In _______ food is broken by teeth and is mixed with digestive juice called saliva.
b) ________ helps to move food from mouth to the stomach where food mixes with digestive juices.
c) In ____________ food enters from stomach and here nutrients are absorbed from the food .
d) Food is fully digested with the help of juices released by ____ and ____.
e) Liver produces _____ juice which breaks fats into tiny droplets.
f) In ______the undigested food enters from small intestine and here water is absorbed from it.
g) Water is then passed to kidneys which later leaves our body in form of ______.
h)______removes undigested food from the body.
Q12) Once the food enters into the stomach from the oesophagus , it does not go back. Discuss.