Across
- 2. Passage connecting your throat and lungs.
- 5. From your lungs, your bloodstream delivers _______ to all your organs and other tissues
- 6. Small branches of the bronchial tubes that lead to the alveoli.
- 7. Commonly called the voice box, is an organ in the top of the neck involved in breathing, producing sound and protecting the trachea against food aspiration.
Down
- 1. Openings that pull air from outside your body into your respiratory system.
- 3. Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
- 4. Tube that delivers air from your mouth and nose to the trachea (windpipe).
- 7. Two organs that remove oxygen from the air and pass it into your blood
