ACROSS⬅️➡️
2. are the two tubes that carry air into the lungs
4. dome shaped muscle that controls breathing
5. opening into the nasal passages that are lined with hair
6. tiny air sacs in the lungs where gases are exchange
7. the process of exchanging gases with the environment
9. commonly called the voice box that contains the vocal cords
DOWN ⬇️
1. known as the windpipe
3. is a special flap of tissue at the opening of the larynx that prevents food and water to
enter the passage
8. it is called the throat and the common passageway for both food, water and air
9. main organ of the Respiratory System​