What happens when we are too cold and too hot?

Hot: (1)Thermoreceptors detect stimulus-(2)Hypothalamus sends nerve impulses to skin(3)Increased sweat, vasodilation, hairs flat(4)decrease body temp Cold (1)Thermoreceptors detect stimulus-(2)Hypothalamus sends nerve impulses to skin(3)Shivering, vasoconstriction, hairs stand trap air(5)increase body temp