200 ANATOMY, FOB, NURSES. [CHAP. XVI. 



It is used to form all the tissues of the body. 



It is used to repair the waste of all the tissues. 



It is stored in the body for future use. 



It is consumed as fuel to maintain the constant tempera- 

 ture which the body must always possess in a state of health. 



"5. It produces muscular and nervous energy." (Professor 

 Atwater.) 



