Oil would be a good substitute in recipes requiring melted butter, just remember that butter is 10-20% water. In pie crusts, pastries, and biscuits, you build up layers of dough and butter when you roll and knead them, and this is what creates a flaky dough.
Confidence votes 48. The primary buffer in the human body is bicarbonate (HCO3-), and it works so well to maintain our pH's at 7.4 because of its unique relationship to respiration.uffers are chemicals that reduce major pH changes in your body fluids (blood, intracellular fluid, interstitial â¦ fluid). An example of pH change is during strenuous exercise when your skeletal cells produce lots of carbon dioxide which enters the blood and forms carbonic acid.
The human skin is the outer covering of the body. In humans, it is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal tissue and guards the underlying muscles, bones, ligaments and internal organs. Human skin is similar to that of most other mammals.