Biological rhythms general A01

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  • Created by: Katie
  • Created on: 13-02-20 11:57
what are biological rhythms
the regular and repetitive variations in the biological activity of living organisms
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3 examples of biological rhythms
sleep, body temperature, alertness
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what are the three types of biological rhythm
circadian, infradian, ultradian
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how long does a circadian rhythm take to complete its cycle
one full day
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how long does an infradian rhythm take to complete
over a day
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how long does an ultradian rhythm take to complete it's cycle
less than i day - starts and completes throughout the day
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most important circadian rhythm to remember
sleep - wake cycle
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key infradian rhythm
menstrual cycle
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key ultradian rhythm
state of sleep
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what is the state of sleep different to
the sleep wake cycle
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how are biological rhythms controlled
through internal and external control mechanisms
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what is the internal control mechanism
endogenous pacemaker
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what is the role of the EP
"biological clock" - internal time giver. it gives pace to our biological rhythm
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what is significant about our EP
each biological rhythm has a different EP
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what is our external control mechanism
exogenous zeitgeber
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what is our exogenous zeitgeber
external stimuli that helps our body know what time of day it is
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what does this allow our biological rhythms to be
finely tuned to the outside world
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what is jetlag an example of
desynchronisation
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Other cards in this set

Card 2

Front

3 examples of biological rhythms

Back

sleep, body temperature, alertness

Card 3

Front

what are the three types of biological rhythm

Back

Preview of the front of card 3

Card 4

Front

how long does a circadian rhythm take to complete its cycle

Back

Preview of the front of card 4

Card 5

Front

how long does an infradian rhythm take to complete

Back

Preview of the front of card 5
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