Hypothalamus, The body’s thermostat (i.e. controls our body temperature), Blood, One of the body’s receptors that detects changes in body, Conduction, Involves the direct transfer of heat from one object to another , Water, __________ conducts heat away from the body approximately 25 times more quickly than air , Convection, The transfer of heat from one place to another by the movement of fluids and air molecules. , Radiation, Heat is lost (via electromagnetic waves) to cooler objects in the environment, such as the floor, walls, trees, and so on.  , Evaporation, Heat is transferred continually to the environment as sweat _________ from the skin surfaces and produces a cooling effect.  , Hypothermia, A decrease in core temp less than 35°C  , Hyperthermia, An increase in core temp greater than 40°C , Cramp, Muscle spasms caused by heavy sweating. Painful, but does not leave permanent damage. , Piloerection, A fancy term for Goose Bumps , Shivering, A person will experience a rapid involuntary cycle of contraction and relaxation of skeletal muscles, which is called_________.  , Thermogenesis, An ↑ metabolic rate (brought about by an ↑ release of the hormones thyroxin and adrenaline) will generate body heat. This process is called non-shivering______________. , Frostbite, Occurs when a part of the body becomes extremely cold, thus significantly¯’s blood supply to the area, which results in the body tissue freezing., Non-shivering, A type of shivering that doesn't involve muscle contractions., Dehydration , Excessive water loss. When water output exceeds intake, the body has a negative fluid balance., Plasma, Made up of 90% h20) 7 contributes towards dehydration & decrease in performance.  , Homeostasis, The body's ability to regulate and maintain a stable internal environment of 37 degrees, despite external fluctuations. ​, Fainting, A symptom of dehydration , anaerobic , The heat has no effect on this type of exercise .

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