Q2 of 17 Page 20

Find out what vitamins are and get the following information.

i. Why are vitamins necessary in the diet?


ii. Which fruits or vegetables should be eaten regularly to get vitamins?

Vitamins are bio-chemicals that help the body in performing various activities.


i. Vitamins are necessary for the following purposes:


a. Vitamins help to protect the body against diseases.


b. Vitamins help in proper functioning of body and mind.


ii. All green leafy vegetables and fruits provide vitamins.


Papaya is the richest source of vitamins.


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12

Label figure of the digestive system:

 13

Can we survive only raw, leafy vegetables/grass? Discuss.

 1

Visit a doctor and find out:

i. Under what conditions does a patient need to be on a drip of glucose?


ii. Till when does a patient need to be given glucose?


iii. How does glucose help the patient recover?

 3

Collect data from your friends, neighbours and classmates to know more about milk teeth.

Tabulate your data. One way of doing it is given below:














































S. No.



Age at which first tooth fell



Age at which last tooth fell



No. of teeth lost



No. of teeth replaced



1.







2.







3.







4.







5.







Find out from at least twenty children and find the average age at which children lose the milk teeth. You may take help of your friends.