1. Heart lies on the left side of the _______ cavity.   Hint First letter clue   2. _______ is the organ of smell.   First letter clue   3. _______ is a sac-like structure which stores urine.   First letter clue   4. There are total _______ premolars in an adult human being.   First letter clue   5. Complex food particles are broken into simple food particles through the process of _______.   First letter clue   6. _______ are the organs of hearing.   First letter clue   7. Oral cavity remains moist due to presence of a fluid known as _______.   First letter clue   Skip to Diagrammatic repr... ⇒