EQUINE PHYSIOLOGY. 



Physiolog'y is the study of the functions or actions of living 

 structures or organs. 



Equine Physiology treats of its application to the horse. 



THE CIRCULATION. 



The circulatory system consists of a central organ, the heart, 

 arteries, vei?is, and lymphatics, (for anatomical structure see 

 above), the blood and lymph. 



THE BLOOD. 



The blood, the great nutritive fluid of the body, is about -^-^ of 

 the bodily weight in amount. 



Its composition in loo parts venous blood — 



Corpuscles, 32.62 



Plasma, 67.38 



100.00 

 The^corpuscles consist of — 



Water, 56 



Solids, 43 



99 

 The plasma consists of — 



Solids, 9.16 



Water, 90.84 



100.00 



(173) 



