70 



Calories 



5^ 



150 

 Calories 



800 



Calories 



ENERGY EXPENDITURE UNDER VARIOUS CONDITIONS 



Experiments have shown that a 110-pound boy or girl uses 50 Calories per hour 

 under "basal" conditions. When sitting or walking, one uses much more energy. 

 When one is engaged in strenuous activity, such as running, swimming, or climbing 

 stairs, he spends energy from eight to sixteen times as fast as when he is asleep 



