1. 9   Bile is stored here.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Food descends from mouth to stomach through this muscular tube.   Exchange of gases occurs here.   Hint Half-n-half Clue   2. 14   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 descends from mouth to stomach through this muscular tube.   It is a muscular tube containing semicircular rings of cartilages.   Half-n-half Clue   3. 1   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Food is mixed with saliva here.   It pumps blood to various parts of the body.   Bile is secreted here.   Half-n-half Clue   4. 12   It secretes saliva.   Churning of food occurs here.   Undigested food is excreted out of the body through this opening.   Exchange of gases occurs here.   Half-n-half Clue   5. 16   It secretes saliva.   Bile is secreted here.   It pumps blood to various parts of the body.   Undigested food is excreted out of the body through this opening.   Half-n-half Clue   6. 5   Most of the ingested water is absorbed here.   It pumps blood to various parts of the body.   Exchange of gases occurs here.   It is a muscular tube containing semicircular rings of cartilages.   Half-n-half Clue   7. 10   It secretes saliva.   It pumps blood to various parts of the body.   Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   Bile is stored here.   Half-n-half Clue