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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?
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]
Full Transcript
- 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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