38 THE HUMAN BODY. 



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Besides the blood another liquid, called lymph, exists in 

 the Body. It is contained in vessels distinct from those 

 which carry the blood, but emptying into the blood-vessels 

 at certain points. This liquid being also in constant move- 

 ment forms another agency by which products are carried 

 from pavt to part, and the welfare or ill-fare of one member 

 enabled to influence all. 



