Nikolas
Created page with "The body’s defence against heat includes: * Skin vasodilation – increases heat loss by allowing heat to conduct away from the skin, increasing ''conduction'' * Sweating – as the sweat evaporates heat is lost by ''evaporative cooling'' * Arrector pili muscles relax – the flat hairs on the skin increase air flow around skin, increasing ''convection'' To lose as much heat as possible, cardiac output increases (probably due to sympathetic activation), which, in com..."