Across
- 3. where does anaerobic respiration happen in the cell?
- 5. when breathing out, is there a positive or negative pressure?
- 6. how thick are the walls in the alveoli?
- 7. what is the name of the artery that brings deoxygenated blood from the heart?
- 8. what flattens/curves during respiration?
- 9. where does aerobic respiration take place in the cell?
- 12. what branches off of the bronchus?
Down
- 1. how does the oxygen get from the alveolus to the capillary?
- 2. what is the scientific name for the wind pipe?
- 4. what type of respiration requires oxygen?
- 10. what binds to the red blood cells haemoglobin?
- 11. what part of the respiratory system has the function of protecting organs in the chest?