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AP Psychology Videos 135 videos

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AP Psychology 3.2 States of Consciousness 35 Views


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Description:

AP Psychology 3.2 States of Consciousness. Which brain structure acts as the bodies internal clock?

Language:
English Language

Transcript

00:04

And here's your shmoop du jour brought to you by the body's internal

00:08

clock terrifying villainous pirates since 1904 alright here's our question which [dinosaur chasing a man]

00:14

brain structure acts as the body's internal clock and here our potential

00:18

answers, all right brain structure...[mumbling] All right,

00:24

unlike our favorite pirate eating alligator the structure that regulates our internal [Alligator staring at a pirate]

00:28

clock isn't actually in our stomachs but in our brains with that in mind we

00:33

know that one of these answers is not located in the brain and can therefore

00:36

be eliminated and that answer is bingo the adrenal glands which are located on [Hand selection one letter from A-E]

00:41

top of both kidneys and secrete hormones that help regulate metabolism blood [Letter B on top of adrenal glands secreting hormones]

00:45

pressure and adrenaline to name a few well the frontal lobe describes one of

00:49

the four major lobes in our brains. However the frontal lobe is the control

00:54

panel overseeing things like our emotional expression memory and language [Front lobe operating a control panel]

00:59

but for all the cool stuff the frontal lobe is in charge of it has nothing to

01:03

do with the body's internal clock so let's get rid of A) Another brainy but

01:06

also incorrect answer to the question is d the pituitary gland, the pituitary

01:10

gland is a pea-sized gland that controls the growth development and function of [pituitary gland and other glands wearing graduation and builder hats walk past]

01:13

most of the bodies other glands and as for your pineal gland well that guy

01:18

produces an melatonin, which affects your sleep patterns and circadian rhythm

01:21

definitely sounds like the answer right well not quite.. See, we're looking for the [pineal gland secreting hormones and clock ticks]

01:25

structure that acts as the body's actual internal clock not the structure that

01:30

produces hormones that aid the clock, pretty important distinction that leaves

01:34

us with C) the suprachiasmatic nucleus located near the pineal gland within the [scan of the brain showing optic chiasm and hypothalamus]

01:39

hypothalamus so it acts as the internal clock for the body regulating important

01:43

bodily functions on a 24 hour cycle including hormone production the sleep [bearded man sat on a chair]

01:48

wake cycle and exact locations of all nearby Pirates [Pirate at a market and alligator appears]

01:54

let me show

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