This post is fr8m a slide which I made months ago. The isect in this slide is arouf 0.25 mm . It is transparent and its lungs are clearly visible .

I am not sure if thats really its lungs or not . Si please commemt on your opinion.

This post shows the hunger of reply from mamu prakash, Laks iyer and others.

Pls comment and correct me .

Thanks for viewing my post☺👍