Circadian Rhythms Flashcards
1
Q
What are Biological Rhythms
A
patterns of change in biological activity, cyclical patterns
2
Q
what are circadian rhythms
A
24hr cycle of biological processes
- sleep/wake
- Body Temp
3
Q
what is an endogenous pacemaker
A
- internal biological clocks
eg. Suprachiasmatic nucleus
4
Q
what is an exogenous zeitgeber
A
- external changes in environment
- artificial light