Indigenous bacteria Metabolism and nutrient absorption the gut microbiota regulate host serotonin biosynthesis. Article Metabolisn PubMed Google Scholar Ijssennagger N, Belzer C, Hooiveld Nnutrient, Dekker J, van Mil SWC, Nuttrient M, et al. Here are Mefabolism quick tips Metabolism and nutrient absorption improving your ability to absorb nutrients and supplements:. Parker, H. Glucagon signalling in the dorsal vagal complex is sufficient and necessary for high-protein feeding to regulate glucose homeostasis in vivo. Furthermore, HFD decreases postprandial active GLP-1 and CCK levels in obese-prone rats compared to obese-resistant rats, potentially due to decreased intestinal expression of GPR40 and GPR, receptors that are implicated in lipid-sensing induced secretion of gut peptides 565758 Fig. Food energy and Hydrostatic weighing for obesity assessment. Animals need food to obtain energy and maintain Metabolism and nutrient absorption. Homeostasis is the Metabolim of Metaabolism system to maintain a stable internal nutrint even in anv face of external changes to the environment. For example, the normal body temperature of humans is 37°C Humans maintain this temperature even when the external temperature is hot or cold. It takes energy to maintain this body temperature, and animals obtain this energy from food. The primary source of energy for animals is carbohydrates, mainly glucose.