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Biological ryhthms

Description

Types of biological rhythms

Flashcards by amalranipious, updated more than 1 year ago

	Created by amalranipious about 11 years ago

Resource summary

Question	Answer
What are biological rhythms?	Biological rhythms are regular variations in physiological and behavioural processes that can be found throughout the animal and plant kingdom.
Circadian rhythm	Cycle length: 24 hours Examples: human sleep-waking cycle, body temperature
Infradian rhythm	Cycle length: more than 24 hours Examples: human female menstrual cycle, hibernation, seasonal effective disorder
Ultradian rhythm	Cycle length: less than 24 hours. Examples: alternation between stages of NREM and REM sleep during the night (90 mins)

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