332 APPLIED PHYSIOLOGY 



REVIEW TOPICS 



1. Describe the process of tasting, and tell how smell 



influences the sense of taste. 



2. Give the use of the sense of taste. 



3. Describe the endings of the nerves of smell in the 



nose, and tell how the sensation of smell is pro- 

 duced. 



4. Give the use of the sense of smell. 



5. Describe the inner ear : its cochlea, semicircular 



canals, and nerves of hearing, and tell how they act. 



6. Describe the middle ear : its bones, the two mem- 



branes which close it, and its Eustachian tube. 



7. Show how a stoppage of the Eustachian tube may 



lead to deafness ; to running ears. 



8. Show how throat trouble may cause ear disease. 



9. Tell how to care for running ears. 



10. Show why boxing the ears is dangerous. 



11. Describe the outer ear : its air passage and wax. 



12. Show how the ears may seem to hear sounds which 



do not exist. 



13. Describe the ear in a frog; in a snake ; in a fish ; in a 



lobster. 



