Question

In: Anatomy and Physiology

describe the reflex homeostatic control mechanism of the gastrointestinal system that occur within phases. Receptors, processing...

describe the reflex homeostatic control mechanism of the gastrointestinal system that occur within phases. Receptors, processing center, and effectors

Solutions

Expert Solution

The gastrointestinal tract (GIT) is part of a major physiological system involved in the regulation of the body's energy homeostasis. ... As their primary role, GIT-derived peptides act as “satiety signals” to the brain, modulating various physiological events related to the meals and the inter-meals periods.

muscles found in the digestive system? Maintaining homeostasis keeps the internal environment in the body functioning properly. ... The food you eat is broken down by chemical and mechanical digestion. Chemical digestion occurs when enzymes in saliva and acid in your stomach break down food.

The oxygen that enters the lungs, the sun that makes Vitamin D in the skin, and the digestive system are three ways the body obtains the molecules it needs. The human digestive system is constantly working in the background to maintain homeostasis and health. In addition to the tube-like digestive pathway from the mouth to the anus, organs such as the liver, gallbladder, and pancreas are other parts of the digestive system with critical functions that help the body stay in equilibrium.

The bacterial flora in the intestines are essential to homeostasis in the body. They not only break down food so the nutrients can be absorbed, they produce vitamins like biotin and vitamin K and guard against harmful bacteria that enter the system.

The liver manufactures bile salts that enter the intestines to emulsify fats and make it easier for them to be digested and absorbed. The storage and concentration of bile happens in the gallbladder and it enters the intestines via the bile ducts. Digestive enzymes and bicarbonate are produced in the pancreas. The bicarbonate helps to neutralize acids in the chyme traveling from the stomach into the small intestine. The raising of the pH also provides the ideal environment for the digestive enzymes to do their work.


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