Changes with Age. In most cases, a person's normal respiratory rate will change with age; younger adults, children, and babies will typically have faster respiratory rates, because as people age, their breathing usually slows down.
Modic changes are pathological changes in the bones of the spine, the vertebrae. These changes are situated in both the body of the vertebrae and in the end plate of the neighboring disc.
Behavior Altering, Function Altering in Respondent Conditioning. US changes future function of a previously neutral stim so that it now elicits a particular response and hence is a CS. US changes organism so it now responds in a particular way to previously neutral stim.