Out-of-pocket expense. An out-of-pocket expenses (or out-of-pocket cost) is the direct outlays of cash that may be later reimbursed. In operating a vehicle, gasoline, parking fees and tolls are considered out-of-pocket expenses for the trip.
In the cold, the small blood vessels on the surface of our body get smaller to keep warm blood deeper inside. In the heat, they dilate to release heat from the body. If you have been in a warm climate for a long time and return to a cold one, it may take a little longer for your circulation to adjust.â.
When body temperature rises, receptors in the skin and the hypothalamus sense the temperature change. The temperature change (stimulus) triggers a command from the brain. This command, causes a response (the skin makes sweat and blood vessels near the skin surface dilate), which helps decrease body temperature.