Scientific American presents Nutrition Diva by Quick & Dirty Tips. Scientific American and Quick & Dirty Tips are both Macmillan companies. Some people claim that the body can't absorb more than 20-30 grams of protein at a time. Others insist that your body utilizes all the protein you take in.
In the human digestive system, the process of digestion has many stages, the first of which starts in the mouth (oral cavity). Digestion involves the breakdown of food into smaller and smaller components which can be absorbed and assimilated into the body.he organs known as the accessory digestive glands are the liver, gall bladder and pancreas. Other components include the mouth, teeth and epiglottis. The largest structure of the digestive system is the gastrointestinal tract (GI tract).
the digestive tract refers to the GI or the gastrointestinal tract, which runs from the mouth to the anus. The digestive system refers to the organs related to the digestion o â¦ f contents that are ingested, and how the foods are digested both mechanically and chemically.29 people found this useful.here is no difference. Both terms refer to the same system. Digestive system is refferd to by many different names, but mostly digestive system, gastrointestinal (GI) tract, â¦ alimentary canal or dgestive tract.