1. Kidneys are the main _______ organs.   Hint First letter clue   2. _______ is also known as 'voice box'.   First letter clue   3. _______ are the organs of hearing.   First letter clue   4. Oral cavity remains moist due to presence of a fluid known as _______.   First letter clue   5. Bronchi are _______ in number.   First letter clue   6. Salivary glands secrete a fluid known as _______ which helps in digestion as well as in swallowing of food.   First letter clue   7. _______ is a muscular leaf-like structure helpful in swallowing of food and speaking.   First letter clue   Skip to Diagrammatic repr... ⇒