Short – small bones which are roughly as wide as they are long found in some joints (eg. The skull, the thoracic cage (sternum and ribs), and the pelvis (ilium, ischium, and pubis)). 
Flat – generally used for protection or muscle attachment (eg. Common features include a shaft and articulations at both ends. Femur and Humerus) - longer than they are wide and key for locomotion. Image: The different classifications of shape of bone, the most important being the long, flat, short, irregular and sesamoid bonesĬreative commons source by OpenStax College Haematopoiesis (generation of blood cells, such as erythrocytes and lymphoid lineage cells, from haematopoietic stem cells in the bone marrow)īones are classified based on their shapes:. 
The adult human skeleton comprises 206 bones, each with individual roles within the body. Public Domain Source LadyofHats Mariana Ruiz Villarreal The main bones of the human skeleton are labelled I mage: The human skeleton from a posterior (behind) view. Bones make up the skeleton, providing a rigid framework that supports the body.
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