Really well done! I've been trying to sort out the lipids system for a couple of years now and this is good.

For anybody else who'd prefer a classroom format with circles and arrows on a huuuge whiteboard, check out the Ninja Nerds presentation on this: https://www.youtube.com/watch?v=wQY0xpwqPfQ

It's mostly aimed at med students preparing for boards and, if that's not you, you might need to take in small doses.