Ang sistema ng Panunaw (The digestvie system)  What makes me burp? 

 - 34p. : col. ill. (Body system) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digestion.<br/>Digestive organs.
<br/><br/><label>Dewey Class. No.: </label>612.3 B271 2013