Causes. Possible causes of itchy skin include: 1  Dry skin. 2  If you don't see a crop of bright, red bumps or some other dramatic change in the itchy area, dry skin (xerosis) is a likely cause. Skin conditions and rashes. 2  Many skin conditions itch, including eczema (dermatitis), psoriasis, scabies, lice, chickenpox and hives. 3  The itching usually affects specific areas and is accompanied by other signs, such as red, irritated skin or bumps and blisters. 4  Internal diseases.
Resting Metabolic Rate (RMR) is a form of metabolism measurement that measures the amount of energy used by the bodies of animals in a relaxed, but not post-absorptive, state.RMR measurements require the animals be in a thermal neutral zone (or a preferred temperature range for bradymetabolic animals) and relaxed.esting Metabolic Rate (RMR) is a form of metabolism measurement that measures the amount of energy used by the bodies of animals in a relaxed, but not post-absorptive, state.
basal metabolism. the amount of energy needed to maintain essential body functions, such as respiration, circulation, temperature, peristalsis, and muscle tone. Basal metabolism is measured when the subject is awake and at complete rest, has not eaten for 14 to 18 hours, and is in a comfortable, warm environment. It is expressed as a basal metabolic rate, according to Calories per hour per square meter of body surface.