Why is food in alimentary canal made first acidic and then alkaline when most of digestion is completed in alkaline medium?

What happens when your bladder infection turns septic? What are confirmed risk factors for CHD? How irregular are your periods for your first year? Who Discovered the germ that causing tuberculosis? What is a medication that reduces heart rate and strength of heart contractions? What veins transport blood toward the heart? What percentage of babies hide gender at twenty week scan? Blood vessels within the nasal cavities is moiesten the air or warmth the air or cool down the air or does nothing to the air? What is a fungus that kills strep throat bacteria? When a muscle is not used and it grows smaller that is called? Why is your knee swollen and feels like gravel under the skin? What is increasing in size called? What is the Treatment of Epstein's Barr? What aren the causes of baby abnormality? Is throwing up bile after alcohol consumption bad? Why do they go by the the first day of your last period instead of conception? What does it mean if you blow your nose and see stars? What are the main symptoms of adrenal fatigue? Why do you need so much sleep? What are the physical problems during pregnancy?