Descending colon. The colon is part of the large intestine, the final part of the digestive system. Its function is to reabsorb fluids and process waste products from the body and prepare for its elimination.The colon consists of four parts: descending colon, ascending colon, transverse colon, and sigmoid colon.escending colon. The colon is part of the large intestine, the final part of the digestive system. Its function is to reabsorb fluids and process waste products from the body and prepare for its elimination.
The USDA's Recommended Dietary Allowance (RDA) for protein is .8 grams per kilogram (or .36 grams per pound) of body weight. But that's not enough for athletes, according to the ISSN, which says endurance athletes like runners need 1.0 to 1.6 grams per kilogram a day (or .45 to .72 grams per pound).
Men and women protein intake range based on ideal body weight: 1  Minimum Daily Protein Requirement: W.H.O. recommends 0.45 grams of protein per kilogram of ideal body weight per day. 2  Maximum Daily Protein Requirement: US RDA recommends 0.8 grams of protein per kilogram of ideal body weight per day. The UK Department of Health and Social Security is approximately the same. If you are currently doing endurance training your daily protein requirement increases to 1 to 1.2 grams per kilogram of ideal body weight per day.