Biological Rhythms

Question 1

Biological rhythms

Answer 1

Distinct patterns of changes in body activity that conform to cyclical time periods. Biological rhythms are influenced by internal body clocks, endogenous pacemakers, as well as external changes to the environment, exogenous zeitgebers

Question 2

Circadian rhythms

Answer 2

Biological rhythms subject to a 24-hour cycle, which regulate a number of body processes such as the sleep/wake cycle and changes in core body temperature.

Question 3

Infradian rhythms

Answer 3

A type of biological rhythm with a frequency of less than one cycle in 24-hours, such as menstruation and Seasonal Affective Disorder.
Greater than 24 hours.

Question 4

Ultradian rhythm

Answer 4

A type of biological rhythm with a frequency of more than one cycle in 24 hours, such as the stages of sleep.
Less than 24 hours.