What is inflammatory bowel disease? Inflammatory bowel disease (IBD) is a condition where the small or large intestine becomes inflamed. Sign and symptoms. The main symptoms of IBD are diarrhea, bloating, stomach pain, cramping, and weight loss.
InfoPlease explains that human skin weighs between  8 to 10 pounds in normal adults, with around 22 square feet of area. The skin is the largest organ in the body in terms of weight and area. One of the smallest organs in the body, the pineal gland, weighs around 0.2 gram, or 0.007 ounce. The pineal gland is in the center of the brain, according to Kids Discover. The parathyroid is between 0.004 and 0.006 ounce, or 0.12 to 0.18 gram.
The human in the table weighs 62 kilograms or 136 pounds; is this representative? In addition, these data were not collected by a single investigator, nor were they collected in the same manner, perhaps adding complexity. The values of body weight range over 6 orders of magnitude.