6. What is cochlea?
7. What is tympanic membrane? Write its function.
8. How does sound travel through our ear?
9. Draw a labelled diagram of a human cell.
10. What is olfactory epithelium made of?
11. Define olfactory adaptation.
12. Draw the diagram of a tongue showing the sites where differe
are noticed.
13. Why do the people living in cold countries have fair skin?
14. What is tissue? Name and define four types of tissue.
15. Draw a labelled diagram of the structure of eye.