00:01
Okay, so which of these is digested only after it reaches the small intestine? fats, proteins, starch, polypeptides, carbohydrates.
00:15
Okay, so this is kind of an unfair question.
00:18
I'll go into why, but first let's start with starch and carbohydrates.
00:24
So this actually starts in the mouth, both of those, because there is amylase in the mouth.
00:30
So it starts there.
00:33
It continues in the small intestine.
00:36
Most digestion happens in the small intestine, but it starts much earlier.
00:41
So we can roll those out.
00:43
Similarly, if we look at protein, you know there's pepsin in the stomach, and that does a lot of the work breaking down protein.
00:50
So we can roll that out as well, and just be left with fats and polypeptides.
00:57
So why is this not a very fair question? both of these are partially broken down in the stomach, but full digestion happens in the small intestine...