Secretin. The small intestine is periodically assaulted by a flood of acid from the stomach, and it is important to put out that fire in a hurry to avoid acid burns. similar, but quantitatively less important response to secretin is elicited by bile duct cells, resulting in additional bicarbonate being dumped into the small gut. As acid is neutralized by bicarbonate, the intestinal pH rises toward neutrality, and secretion of secretin is turned off.
Posted: 07/10/2013 6:11 pm EDT Updated: 07/10/2013 6:11 pm EDT. Getty. By: Laura Poppick, Staff Writer. Published: 07/10/2013 04:02 PM EDT on LiveScience. The personality traits of children in the first five years of their life may help predict alcohol use during teenage years, a new study shows. The study, detailed today (July 10) in the journal Alcoholism: Clinical and Experimental Research, reveals certain temperaments of kids that are correlated with teen drinking.
What's interesting is that babies first learn to recognize a face by the outer features, such as your hair, chin, or head shape; as they get older, they learn to look for inner features, such as eyes, nose, and mouth. So make funny expressions, raise your eyebrows, open your mouth wide, and see how your baby responds.