Biological ryhthms

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Types of biological rhythms
amalranipious
Flashcards by amalranipious, updated more than 1 year ago
amalranipious
Created by amalranipious over 10 years ago
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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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