Across
- 1. positioned below the ribcage this flattens and domes up allowing more air in and out
- 3. these " " muscles attached to the ribs, aiding support and movement
- 6. the process of taking in gas from the atmosphere
Down
- 2. they look like grapes and gas exchange happen here!
- 3. a contraction in muscle without any change in length
- 4. the process of push gas out into the atmosphere
- 5. this is also known as the windpipe
- 7. the most important gas for in and outside of our body for life