Across
- 1. Air comes into your lungs through bronchial ___________
- 5. When we exhale, our lungs: ___________
- 6. The many little branches of the respiratory system ___________
- 8. What part of the lungs look like bunches of grapes where exchange of oxygen and carbon dioxide take place ?
- 10. The tube that connects the nose and air tube (bronchus) ___________
Down
- 2. When we breath in, the outward and ___________ movement of our ribcage creates space in our chest
- 3. The ___________ of gases happens in the air sacs (alveoli)
- 4. The ___________ is a muscle located at the bottom of your chest, just under your lungs. It helps you breathe
- 7. Our body uses the oxygen we breath in to break down sugar, then the energy is produced. This process is called ___________
- 9. The two large lightweight organs of the respiratory system ___________