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).
The review concluded that optimal protein intake for seniors is 1.0 to 1.3 grams per kilogram, or about 0.4 to 0.5 grams of protein per pound of body weight each day. Athletes Athletes require more protein than non-athletes, and the amount of protein needed is based on size and activity level. The Academy of Nutrition and Dietetics reports that endurance athletes need about 0.6 to 0.9 grams of protein per pound, and strength-trained athletes trying to build muscle mass need 0.6 to 0.8 grams of protein per pound of body weight each day.