Cards (6)

    • Circadian rhythm- Biological rhythms that occur over a 24 hour cycle
    • Biological rhythm- Patterns of changes in body activity over cyclical periods
    • Ultradian rhythm- Biological rhythms that occur more than one cycle in 24 hours.
    • infradian rhythm- Biological rhythms that occur less than one cycle in 24 hours.
    • Endogenous pacemaker- Internal body clocks that regulate biological rhythms.
    • Exogenous zeitgebers- External cues that influence our biological rhythms.