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.
Children are born with all of the brain cells theyâre going to have. As babies grow, they learn many things, but they do not get new brain cells. They do not get new muscles, either. The muscles in a babyâs arms and legs will develop as she gets older and matures.