Across
- 3. your lungs has 2 lungs called _______.
- 6. your lungs can also be called the___________ system.
- 7. Your lungs need help. To do their work, and that helper is a muscle called________
- 9. your lungs have tons of smaller tubes called_______.
- 10. tiny air sacs at the end of every bronchiole which is called _______
Down
- 1. the air you breath out or exhale is called _____________.
- 2. another way to call your windpipe is _______.
- 4. we breathe in ______.
- 5. there are about 600 million alveoli in the lungs, each has mesh covering of very small blood vessels called_______.
- 8. when you breathe in it’s called________.