Biological Rhythms: Circadian Rhythms Flashcards
1
Q
Define a biological rhythm
A
A change in body processes in response to cyclical changes within the environment.
All rhythms are controlled by two things: - Endogenous pacemakers
- Exogenous Zeitgebers
2
Q
Define Circadian Rhythms
A
Circadian rhythms are any rhythm which occurs once over a 24 hour period.
For example: body temperature, the sleep wake cycle
3
Q
Endogenous Pacemakers
A
4
Q
Exogenous Zeitgebers
A
5
Q
The Sleep-Wake Cycle
A
6
Q
A Case Study - Michel Siffre
A