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 skeleton weighs about 14% of the total body mass. The average human adult skeleton consists of 206 bones.. An average human skull weighs 2.2 pounds (lbs.) Bones are very light .The skeleton weighs less than 20 pounds. In an adult, the skeleton comprises around 20% of the total body weight. The average weight of an adult is approx. 75.3 kg so in an adult the skeleton comprises around 15 kg or 26 pounds. This weight of course varies depending on height, sex, and body weight.