9 2 ELEMENTARY PHYSIOLOGY. 



Through what glands do they pass ? Into what do they 



empty ? 



What is chyle ? Why are the lacteals so called ? 

 What are the chyliferous vessels ? 

 Describe the thoracic duct. Locate it. 

 What is the chyle receptacle ? Describe it. 

 Explain assimilation. Where does it take place ? 

 Trace a mouthful of food from the mouth to the tissue in the 



body. 



What is lymph ? What does it resemble ? 

 What are 1;, niph globules ? 

 Explain the origin of lymph. 

 What vessels carry it ? Describe fully the action of the 



lymphatics. 



With what may they be compared ? 



In what respects do the lymphatics differ from the blood- 

 vessels of the general circulation ? 

 What is the difference between lymph and blood ? 

 Explain how the lymph vessels constitute a drainage system 



of the body. 



Whither is the lymph carried ? 

 What are lymphatic glands ? Describe them. 

 What effect have they upon the general health when they 



become diseased or hardened ? 

 Why should we be careful not to touch poison ivy ? 

 What danger is there in breathing the air of a sick chamber? 

 When a squirrel or other animal hibernates, on what does 



it subsist ? 

 Why is medicine sometimes injected under the skin, and 



how is it rendered effective ? 

 Name all the vessels which constitute parts of the absorptive 



system. 



