QUESTIONS 183 



by the heart through definite blood vessels. The study of 

 food is important because we require food in order t<> Live. 

 The cost of food and the amount needed are problems that 

 science is helping to solve. 



QUESTIONS 



How does man differ from other animals in regard to the places where 

 he lives ? Why ? What do man and other animals require in order to 

 grow? Name the kinds of foods. What is the value of protein? <>t 

 carbohydrates ? What does cooking do to foods ? Why is this important '.' 

 What is digestion ? What is indigestion? Absorption? How are the 

 cells of the body fed ? 



