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 most important organs in the respiratory system are the lungs.  In the lungs, the exchange of oxygen and carbon dioxide take place,  and without this mechanism, life wil â¦ l not be sustained.Answered.In Biology.uffer systems function mainly to regulate the acid or base balance in the body. there are 3 principal classes of buffers in the body-proteins, phosphate buffer system and t â¦ he bicarbonate buffer system. however, you are asking of the organs involved. these are the kidneys and the lungs. 6 people found this useful.