MEDICAL ANIMATION TRANSCRIPT: All structures in the body function together to maintain homeostasis, a process by which the body maintains its internal environment in response to the external environment. Examples of how the body maintains homeostasis include metabolism of drugs and toxins in the liver, regulation of water and solutes in the blood by the kidneys, regulation of blood glucose by the pancreas. Another homeostatic process, thermal regulation, is the maintenance of normal body temperature. If the body's skin or core temperature drops, thermoreceptors in the skin or internal organs send impulses to the hypothalamus, which acts as the body's thermostat. The hypothalamus responds through the sympathetic nervous system by constricting blood vessels in the skin. Vasoconstriction diverts blood away from the skin and extremities to the warmer interior of the body to prevent further loss of heat to the surroundings and prevent the body's core temperature from dropping further. Arrec...