Almost the entire digestive system has a lumen because it is a tubular structure with the exception of the mouth. The esophagus, stomach, small... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can...
The free border of the lesser omentum betweenthe porta hepatis and the duodenumcontains the hepatic artery, the portal vein, the common bile duct, lymph glands, lymph vessels, and nerves, forming the hepatic hilum. Behind this free edge is the opening into the lesser sac or foramen of Winsl...
“听到一个很好的主张,要立即去做吗?”孔子答：“家有父母,怎能自作主张?”冉求问：“听到一个很好的主张,要立即去做吗?”孔子答：“当然立即去做。”公西华对此很不理解。孔子说：“冉求遇事畏缩不前,所以要鼓励他去做,子路遇事轻浮,所以要加以抑制,使他谨慎。” 此材料给教师的启示是（）。
This is because our food holds the nutrients that our cells need in order to function properly.Answer and Explanation: The digestion of food takes place in the mouth, stomach and small intestine in the human body. Digestion in the mouth includes both physical and...Become a member and...
Melatonin in GIT also participates in the neutralization of acid content in the duodenum along with the MT2 receptors, stimulating the secretion of bicarbonate ions [100–103]. In the liver, the melatonin content has been found to be 15-fold higher than in serum [104]...
某母婴店店庆期间，购入了一些糖果用来制作糖果礼盒，其中有水果糖504颗、奶糖336颗、酥糖420颗，将全部的糖果分成尽可能多的礼盒，且每个礼盒中同类糖果的数量一样多。店庆期间，进店消费的顾客消费每满99元可获得一个糖果礼盒。活动第一天结束后，恰好将这些礼盒全部送完，问该母婴店这一天的营业额至少为多少元？
What is bile's primary function in the digestive tract and where does it enter the digestive tract? What gastrointestinal organ is responsible for bile secretion? What are the cells responsible for producing bile? What is the duct that transfers bile into the duodenum? What nerve i...
Briefly describe how lymph travels through the lymphatic system. What vessels does it drain from and into? What mechanisms move the lymph through the vessels? a. Compare the columnar epithelium from the stomach to that of the duodenum. b...
Once the surrounding environment is a viable pH, the bacteria move towards the host gastric epithelium using flagella-mediated motility. The favored location for H. pylori is in the first part of the duodenum within the super-epithelial mucus layer gastric pits. It is not detected in the ...
Although its original function was probably related to its antioxidant capacity, this indoleamine has been “adopted” by multicellular organisms as the “darkness signal” when secreted in a circadian manner and is acutely suppressed by light at night by the pineal gland. However, melatonin is ...