You must have heard about appendictis. It is inflammation at appendix.

You must have read the news about many deaths due to poisonous liquor. Why does it happen?

You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one-such example, which usually grows in shallow water or in marsh lands. What part of the plant is modified into-a 'pitcher'? How does this modification’help.the plant for food even though it can, photosynthesize like any Other green plant?

You have learnt about static electricity in the previous standard . Electrostatic force is a non contact force . To verify this , which experiment will you perform ?

You must have heard of Sachin Tendulakr suffering from 'Tennis Elbow' a cricketer suffering from a disorder named after another game. Can common people too suffer from this disorder?

You might have heard of giving polio drops after specific duration to the children of specific age group , What do these polio drops contain ? Explain the concept behind it.

Answer the following : You must have seen a vegetable vendor carrying a basker on her head . She keeps a twisted piece of cloth on the head , below the basket . Hoe does it help ?

You will study about intervertebral discs in this chapter. Find information about slipped disc.

You must have blown soap bubbles in your childhood. What is their shape ?

You must have seen the car battery available in the market. It is called a battery and not a cell. Why?