1. 3   It secretes saliva.   It pumps blood to various parts of the body.   Food descends from mouth to stomach through this muscular tube.   Absorption of food occurs here.   Hint Half-n-half Clue   2. 6   These are formed by division of trachea.   Food descends from mouth to stomach through this muscular tube.   Undigested food is excreted out of the body through this opening.   It secretes saliva.   Half-n-half Clue   3. 9   Food descends from mouth to stomach through this muscular tube.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   It secretes saliva.   These are formed by division of trachea.   Half-n-half Clue   4. 7   Absorption of food occurs here.   Most of the ingested water is absorbed here.   Bile is secreted here.   Exchange of gases occurs here.   Half-n-half Clue   5. 13   It secretes pancreatic juice.   Churning of food occurs here.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Exchange of gases occurs here.   Half-n-half Clue   6. 8   Bile is stored here.   It pumps blood to various parts of the body.   These are formed by division of trachea.   Absorption of food occurs here.   Half-n-half Clue   7. 10   Bile is stored here.   Absorption of food occurs here.   Food is mixed with saliva here.   Most of the ingested water is absorbed here.   Half-n-half Clue