Advertisements
Advertisements
Question
Touch and tell how many teeth are there in your mouth. Which students in the class have the maximum number of teeth?
Solution
Teeth erupt twice in a human's mouth. First of all, after 6-8 months after the birth of the child, the teeth start coming out, these are called temporary or milk teeth. At the age of 8-10 years, these teeth fall out and in their place, permanent teeth come, whose total number is 32. There are four types of teeth on the basis of their structure.
- borer or rodent - bite tooth,
- piercing teeth,
- forward and
- CHARVANAKA - Chewing teeth.
APPEARS IN
RELATED QUESTIONS
What kind of problems do people have in old age?
How does Ravi bhaiya come to know so many things without seeing them?
Can you think about when you may need a stick?
How do we help those people who cannot see?
Blindfold any one child in the group. One by one, the other children come to him or her quietly. The child who is blindfolded has to guess who the other child is, by touching him or her. Take care not to make any sound. Do you know why?
How many children could recognise others by touching?
How many children could recognise the other children by only hearing them?
How many things can you recognise by only touching?
Close your eyes and listen. What sounds can you hear? Which people can you identify from the sound they make as they move?
By just smelling can you guess if it is someone close to you?