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.
A chemical change is âto change chemical properties of a materialâ which includes the reactivity with various species. The new species so formed has different reactive characteristics than initial species. Whereas a chemical reaction is the âbreaking down of bonds, or formation of bonds or bothâ, sequentially or simultaneously.