WHAT BECOMES OF OUR FOOD. 
165 
digestion. The bile runs in through a little tube 
leading from the liver, where it is made. It causes 
the fats to break up into the smallest pieces you 
can imagine, thus changing them into a fluid state. 
7 . “ The pancreatic juice flows from the pancreas 
or ‘ sweetbread It 
turns into sugar any 
starch that escaped 
the action of the 
saliva in the mouth. 
Besides, the pancre- 
atic juice digests any 
nitrogenous foods that 
may have passed on 
from the stomach, and 
it also breaks up fat 
as the bile does. In 
fact the pancreatic 
juice is the most perfect digestive fluid of the four 
I have named. 
8. “ As the food is forced along, the parts that 
have been digested are taken into the blood-vessels 
in the walls of the intestines.” 
“ Then our blood gets the flesh -formers and 
heat-givers in the end,” said May. 
9. “Yes; but only to give them up again,” said 
Miss Brooks. “ Whatever our food may be — solid 
or liquid; animal, vegetable, or mineral ; heat-giving 
or flesh-forming — it must pass into the blood before 
a , Stomach; &, Gullet; c, Gall-bladder; d, Bile- 
duct; e, Pylorus;/, Duodenum. 
