The only bit I can remember is a bit rude so I won’t tell the internet about that! I think Kat was somewhere earlier in the dream (not in the rude bit).
I am trying in a very useless way to revise Working Problem 7: Respiration, so far this is what I have done:

I also drew some ribs & intercostals but then rubbed it out. I’ve bitten all my nails right now because of stress. I just have no idea where to start with all of this. How the fuck does studying work?