1. 1   Bile is stored here.   Most of the ingested water is absorbed here.   These are formed by division of trachea.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Hint Half-n-half Clue   2. 10   Undigested food is excreted out of the body through this opening.   Bile is stored here.   It is a muscular tube containing semicircular rings of cartilages.   Food descends from mouth to stomach through this muscular tube.   Half-n-half Clue   3. 5   Churning of food occurs here.   Exchange of gases occurs here.   It secretes saliva.   It is a muscular tube containing semicircular rings of cartilages.   Half-n-half Clue   4. 6   Food is mixed with saliva here.   It pumps blood to various parts of the body.   Exchange of gases occurs here.   These are formed by division of trachea.   Half-n-half Clue   5. 2   Food is mixed with saliva here.   It pumps blood to various parts of the body.   It is a muscular tube containing semicircular rings of cartilages.   Churning of food occurs here.   Half-n-half Clue   6. 11   Bile is secreted here.   Absorption of food occurs here.   Undigested food is excreted out of the body through this opening.   It secretes saliva.   Half-n-half Clue   7. 13   Food is mixed with saliva here.   It secretes pancreatic juice.   Absorption of food occurs here.   Undigested food is excreted out of the body through this opening.   Half-n-half Clue