Fatigue Circadian rhythm = Body's internal clock
{"Image DocumentName": "Fatigue Circadian rhythm = Body\u2019s internal clock", "Image ImageDescription": "Most people\u2019s clocks run on a 24-hour basis with high and low points. Disruption of the clock can lead to fatigue. 10c.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}