414 QUESTIONS ON 



480. Do all animals possess the perspiratory apparatus? 



481. What provision for keeping the skin soft and smooth? 



482. What properties has this oily secretion? 



483. What will render the skin stiff and hard? 



484. What kind of clothing is injurious? and why? 



485. What kinds of hats are too close ? 



CHAPTER V. 



486. What connection exists between the skin and the internal or- 

 gans of the body ? 



487. What facts illustrate this connection ? 



488. How are the lungs and skin related ? What are their sympa- 

 thies? 



489. What relations exist between the skin and the digestive organs ? 



490. 491. What internal organ is most liable to suffer when the cu- 

 taneous circulation is disturbed ? 



492. What may always be inferred, when the skin is dry ? 



CHAPTER VI. 



493. When does the skin act as an absorbent ? 494. Give illustration. 



495. State the case of absorption in a hot bath, and that of Ann Moore 



496. What other substances may be absorbed ? 



497. 498. What facts prove cutaneous absorption ? 



499. At what limes is the absorbing power most active? 



500. What stimulates the cutaneous absorbents ? 



CHAPTER VII. 



501. Is the sense of touch uniform over the whole body? 



502. When is cutaneous sensibility most acute? In what persons? 



503. On what does the facility of cutaneous sensation depend ? 



504. What can education do for the sense of touch ? 



505. How is the loss of one sense compensated? 



506. What illustrations do the blind and some others furnish ? 



507. What blunt the sensibility of the skin? 



CHAPTER VIII. 



508. How does the skin prevent the effects of heat and cold? 



509. What tendency is constant? What its effect? 



510. Why is perspiration a cooling process? 



511. How do different states of the air affect its cooling powers? 



512. In what state does the skin perform its functions well? 



513. How do some states of disease affect the skin? 



514. Can we measure temperature correctly by touch? 



515. What illustration may two travellers furnish? 



516. What bodily and mental states favor, and what impede ijhe 

 healthy action of the skin ? 



