EVERYDAY SCIENCE

Detailed explanation-1: -During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

Detailed explanation-2: -Direct Diffusion. For small multicellular organisms, diffusion across the outer membrane is sufficient to meet their oxygen needs. Skin and Gills. Earthworms and amphibians use their skin (integument) as a respiratory organ. Tracheal Systems.

Detailed explanation-3: -Leakage. Leakage is a big concern for many people with a stoma. Read more information about leakage and find out how to prevent leakage. Pancaking. Pancaking is a problem for many people with a stoma. Bleeding. Bleeding when you wipe your stoma is common and nothing to be alarmed about.

Detailed explanation-4: -Transverse colostomy. This type of colostomy is located in the upper abdominal region, on the right side or the middle of the body. Sigmoid colostomy. Located at the bottom of the large intestine, sigmoid colostomies are the most common. Descending colostomy. Ascending colostomy.