A group of students are studying for an examination on the gastrointestinal (GI) system and are reviewing the structures of the esophagus and stomach. The students demonstrate understanding of the material when they identify which of the following as the opening between the stomach and duodenum?Pyloric sphincterSigns and symptoms of bleedingSupine with knees flexed slightly Intrinsic factor

Pyloric sphincter

Explanation:

The pyloric sphincter is known to be the muscle that connects stomach pylorus and the small intestine's duodenum. This muscle plays a very vital role in the digestion of food, and the muscle acts as though it is a valve controlling the flow of food that are partially digested from the stomach to the small intestine.

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.

the answer is b its not mature