1. 6   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Bile is stored here.   These are formed by division of trachea.   Food is mixed with saliva here.   Hint Half-n-half Clue   2. 8   Churning of food occurs here.   Exchange of gases occurs here.   It pumps blood to various parts of the body.   These are formed by division of trachea.   Half-n-half Clue   3. 3   Exchange of gases occurs here.   It secretes saliva.   It pumps blood to various parts of the body.   Bile is stored here.   Half-n-half Clue   4. 7   Absorption of food occurs here.   Bile is stored 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   5. 9   Food descends from mouth to stomach through this muscular tube.   Absorption of food occurs here.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Bile is secreted here.   Half-n-half Clue   6. 10   It secretes saliva.   These are formed by division of trachea.   Bile is stored here.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Half-n-half Clue   7. 15   Most of the ingested water is absorbed here.   Absorption of food occurs here.   It secretes pancreatic juice.   Churning of food occurs here.   Half-n-half Clue