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.
Characteristics of temperament. By being aware of some of the characteristics of temperament, you can better understand your child, appreciate his uniqueness, and deal with problems of poor fit that may lead to misunderstandings and conflicts. There are at least nine major characteristics that make up temperament. 1  Activity level: the level of physical activity, motion, restlessness or fidgety behavior that a child demonstrates in daily activities (and which also may affect sleep).