Top 10 facts about the world. An avulsion fracture is a type of fracture in which part of the bone is broken off or âavulsedâ from the rest of the bone. While this might sound scary, these fractures are actually very easy to treat in most cases. The exception to this rule is extensive avulsion fractures, and certain types of fractures in children.
This connective tissue contains collagen fibers for flexibility and strength, and numerous elastic fibers that enable it to be stretched. Alveolar connective tissue is found in the skin and in most internal organs of vertebrates, where it allows the organs to expand, which is essential for the lungs.his connective tissue contains collagen fibers for flexibility and strength, and numerous elastic fibers that enable it to be stretched. Alveolar connective tissue is found in the skin and in most internal organs of vertebrates, where it allows the organs to expand, which is essential for the lungs.
Lung Anatomy. The lungs are made up of millions of tiny balloons called alveoli, which fill with air each time you inhale and deflate each time you exhale. The many microscopic alveoli make the lungs look like sponges.Alveoli are made up of squamous epitheliel tissue, which is very thin and elastic, like the walls of a balloon.ung Anatomy. The lungs are made up of millions of tiny balloons called alveoli, which fill with air each time you inhale and deflate each time you exhale. The many microscopic alveoli make the lungs look like sponges.