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.
In humans and laboratory animals, fluorides mostly build up in bones and teeth, which retain about 99% of the total fluoride body burden. Fluoride is eliminated from the body primarily through the urine. Infants retain 80 to 90% of fluoride ingested, while adults retain approximately 60%.