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.
In your baby's first week, you can usually expect her to: 1  Have a spontaneous or almost reflexive smile, which can occur as early as your baby's first few days of life and should be present by the time she is 10 weeks old. 2  Have equal movements of her arms and legs on both sides of her body.