An example of an irregular bone is the patella (knee cap). Other examples of flat bones are the scapula (shoulder blade) and the ribs.Irregular Bones are bones which do not have a uniform shape and therefore do not fit into any other category. The main function of flat bones is to provide protection to some of the body's vital organs, such as the cranium which protects the brain. Short Bones are defined as being approximately equal in width and length and usually provide stability and support such as the carpal bones in the wrist.Flat Bones as their name suggests are flat plates of bone. This means that although some of the longest bones in the body such as the femur (thigh bone) and humerus (upper arm bone) are long bones, some of the shortest bones in the body such as the phalanges (bones in the fingers and toes) are also classified as long bones. What are the 3 major types of bones found in the skeleton?įour types of bones in the human body are:Long BonesShort BonesFlat BonesIrregular BonesLong Bones are defined as having a length longer than their width.
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