1. 8   Bile is secreted here.   It pumps blood to various parts of the body.   These are formed by division of trachea.   It secretes saliva.   Hint Half-n-half Clue   2. 9   It pumps blood to various parts of the body.   Food descends from mouth to stomach through this muscular tube.   Exchange of gases occurs here.   It secretes saliva.   Half-n-half Clue   3. 2   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Most of the ingested water is absorbed here.   Food is mixed with saliva here.   Churning of food occurs here.   Half-n-half Clue   4. 6   These are formed by division of trachea.   Exchange of gases occurs here.   Most of the ingested water is absorbed here.   It secretes saliva.   Half-n-half Clue   5. 10   Bile is stored here.   Exchange of gases occurs here.   It pumps blood to various parts of the body.   It secretes saliva.   Half-n-half Clue   6. 11   Bile is secreted here.   Bile is stored here.   Exchange of gases occurs here.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Half-n-half Clue   7. 12   It is a muscular tube containing semicircular rings of cartilages.   It pumps blood to various parts of the body.   Churning of food occurs here.   Exchange of gases occurs here.   Half-n-half Clue