0:00
All right.
00:01
So this question is asking, the part of the brainstem that controls heartbeat and breathing is the a cerebellum.
00:08
I believe that should be b, cortex, c, medulla, and d thalamus.
00:14
So on the website, it's saying c cortex and b medulla, but i'm sure either one will get to the right answer.
00:22
It shouldn't matter what letter choice it is.
00:25
So the important part of this question is recognizing how.
00:30
This question is asking for the part of the brain step and how that really gives us a big clue as to what our potential answers are an easier way of getting to it.
00:42
Because some of these answer options aren't even part of the brain step.
00:45
So i'm looking at this brain that i drew here.
00:49
It's very, very simple.
00:51
You have this kind of have, you could kind of break it into three different areas.
00:55
You have sort of this sort of big area, this small one.
01:01
And then this even smaller one, which you already know or can assume that it's the brainstem.
01:09
So what's important to note is that this big area that i'm referring to, sort of the outer layer is considered the cerebral cortex or the short for cortex.
01:21
And then the smaller layer or smaller, i guess, part coming off of the brain is the cerebellum.
01:29
It quite literally means little brain.
01:31
And then this sort of area that this bracket is pointing to is the brainstem that ultimately becomes the spinal cord.
01:39
So with that being said, you know, simply that because it's not part of the brain stem, we could eliminate cortex and cerebellum.
01:48
And this could actually, let me do that in red.
01:50
This becomes important later when understanding the different functions of the brain in terms of relativity to what's older and what's, as you could say, younger in terms of evolutionary stuff...