1. Larger dust particles in the inhaled air are trapped in the mucus and hair found here.   3   7   13   1   Hint Half-n-half Clue   2. It secretes saliva.   2   3   9   16   Half-n-half Clue   3. Bile is secreted here.   13   2   14   11   Half-n-half Clue   4. Churning of food occurs here.   12   5   13   10   Half-n-half Clue   5. It pumps blood to various parts of the body.   13   6   16   8   Half-n-half Clue   6. Food descends from mouth to stomach through this muscular tube.   9   8   13   1   Half-n-half Clue   7. Food is mixed with saliva here.   8   14   2   13   Half-n-half Clue