Across
- 3. bottom of heart
- 4. catipillar, very small
- 6. top of heart
- 7. filters blood
- 9. lead from the bronchi to the alveoli.
- 11. holds onto urine uintil it is ready to be released
- 12. absorbs water
- 13. sac inside of the lungs
Down
- 1. also known as windpipe
- 2. zac efron
- 3. v=very small
- 5. plate=securing+scabs
- 8. absorbs nutreints
- 9. get air into the lungs
- 10. tube that connects mouth and stomach
