How do the histological observations relate to the results of the hooka experiment? What can you deduce from the

How do the histological observations relate to the results of the hooka experiment? What can you deduce from the

results? How would you follow up these results, e.g., how could you test for what component(s) of the extract is/are the active one(s)?

working on a lab report for biology, and this is the discussion part and I have no idea how to answer this question. It's about the effects of smoking cigarettes