Describe the route taken by a ham, cheese and lettuce sandwich through the human digestive system, explaining what happens to each part of the sandwich as it passes through each region of the digestive tract. [20 marks]
Complete and correct route given 
Digestion of bread 
Digestion of ham 
Digestion of cheese 
Digestion of lettuce 
Bibliography in MLA format 
You will have class time on Tuesday 1st September for this, and must submit it no later than Thursday 3rd September. Here is a link you might find useful.