Labels:book | earth | hakham | press | reckoner | sky | tree | windowpane OCR: LINING OF THE OESOI PHA GUS HE LINING of your oesophagus is moist. so that the food you swallow passes smoothly down toward your stomach. The surface each cell that lines your oesopha gus looks very wrinkled, because of the many folds in surface. These folds hold the slippery mucus, which S made by cells buried deeper in the lining. The white lines in the image show the joins between the lining cells Join between two cells Folded surface of the lining llow kled
