Respiratory tree drawings

Thought I’d share a drawing with you guys in case it helps. It shows how the wall of the respiratory passageways changes as you go from bronchi to alveoli. There are three versions, so you can use it fully labeled, partially labeled, or unlabeled, however it suits you best. Let me know if you find it useful – if so, I’ll make more 🙂

Unlabeled:

Labeled with passageways only:

Fully labeled: