1. Complex food particles are broken into simple food particles through the process of _______.   Hint First letter clue   2. There are total _______ premolars in an adult human being.   First letter clue   3. _______ is a sac-like structure which stores urine.   First letter clue   4. _______ are the organs of hearing.   First letter clue   5. A healthy human adult has _______ bones.   First letter clue   6. _______ is also known as 'voice box'.   First letter clue   7. Food descends from the mouth to the stomach through a muscular tube known as _______.   First letter clue   Skip to Diagrammatic repr... ⇒