00:01
Okay, so we're in problem two of chapter 34.
00:04
This was asking us about the typhilosol of the earthworms digestive tract.
00:15
So that's the typhalosol.
00:20
And so really to answer this question, we sort of need to answer the question of like, what is that? now in the digestive tract, which is typically sort of tubular, and in this case, see so we get a little dongle here.
00:32
Rather than having a smooth surface, you get fold.
00:37
The surface folds, and the reason for that is that it increases surface area, right? so now there's a much, much more surface area.
00:49
And what does the surface area do? well, it aids with the absorption of things that are eaten, right? and so that's super important...