Homeostasis overview Wk2

Question 1

Define circadian with examples

Answer 1

A natural 24 hour biological cycle effecting mental and physical functions, usually controlled by dark and light. Examples: sleep, hormones, hunger, body temperature.

Question 2

Define Diurnal with examples

Answer 2

Biological rhythm synced with a day or night cycle eg. squirrels at dusk and cats at night.

Question 3

Define Ultradian with examples

Answer 3

Biological cycles that occur within 24 hours or less. Examples: heart rate, blinking, appetite, pulse, arousal, thermoregulation, blood circulation.

Question 4

Define infradian with examples

Answer 4

Biological cycles that continue longer than 24 hours eg. menstruation, breeding, seasonal rhythms.