210 OUR BODIES AND HOW WE LIVE 



QUESTIONS ON THE TEXT 



I. Give a general definition of the skin. 2. What purpose does 

 the skin serve? 3. Of what two layers is the skin composed? 

 4. Describe in some detail the scarfskin. 5. What gives the color 

 to the skin? 6. Describe briefly the dermis, or true skin. 7. What 

 are the papillae ? 8. How may the skin absorb various kinds of poi- 

 son? 9. Give some of the more common ways in which the absorp- 

 tion of poisons by the skin may take place. 10. Describe the structure 

 of a hair. 



II. How does the hair grow? 12. What gives the color to the 

 hair? 13. Describe the muscles with which the skin is provided. 

 14. What are the nails? 15. Describe the structure of the nails. 

 16. Give some practical points about the care of the nails. 17. What 

 are oil glands ? 18. What purpose do the oil glands serve ? 19. In 

 what parts of the skin are the oil glands found ? 20. Describe the 

 sweat glands. 



21. What is sweat, or perspiration? 22. What is the most impor- 

 tant function of the perspiration ? 23. Explain in some detail why we 

 should take proper care of the skin. 24. For what two reasons are 

 baths taken? 25. Give some practical hints about bathing in cold 

 water. 26. Why should we take good care of the hair? 27. What 

 useful purpose do our clothes serve ? 28. Give a few practical 

 points on the use of clothing. 29. What plain advice can you give 

 about clothing? 30. What other points about clothing have you 

 learned from the text ? 



31. Explain briefly how our bodies get rid of waste matters. 

 32. What part does the blood play in these changes? 33. What are 

 the chief waste matters of the body? 34. What is meant by excre- 

 tion? 35. What are the three chief organs of excretion? 36. What 

 do the skin and the lungs excrete? 37. What are the kidneys? 

 38. Describe the structure of the kidneys. 39. What can you say 

 of the work done by the kidneys? 40. Show how the three great 

 organs of excretion should work in harmony. 41. Give briefly the 

 effect of alcohol upon the skin. 42. What is the effect of alcoholic 

 liquors upon the kidneys ? 



