Respiratory system
Across
- 1. common substrate used for respiration
- 5. anaerobic respiration of yeast
- 6. membrane between ribs and lungs
- 8. Doesnt need oxygen for the process
- 9. Needs oxygen for the process
Down
- 2. formed from anaerobic respiration in muscles
- 3. muscles between ribs
- 4. another name for windpipe
- 7. sheet of muscle separating thorax from abdomen