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.
Being exposed to high altitudes, where there is less oxygen, can actually make blood become a little thicker over time because the bone marrow will produce more red blood cells, which carry oxygen, she said. This may help endurance athletes, she said, but it will not make them feel warmer. However, she said, âOur bodyâs ability to control temperature or thermo-regulate does involve blood circulation. 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. Over all, how warm or cold a person feels âhas more to do with our perception of temperature than with our actual temperature,â she said.