PHGY 214 Lecture Notes - Lecture 2: Stapes, Humerus, Middle Ear
Document Summary
The human skeleton is internal, meaning it"s inside your body. Bones decrease as you get older, you start with 270 as a newborn. When you enter adulthood you have: this is because your bones start to fuse together as you get older. The femur is the largest bone in your body. Females happen to have smaller bones than their male counterpart. The pelvis of a female is different (larger than a male"s) in order to help childbirth. There are two subdivisions of the skeleton: the axial skeleton and the appendicular. The axial includes the vertebral columns and the skull. While the appendicular is the pelvic to the pectoral. They are called the compact bone and the spongy bone. The spongy bone is found at the end of certain bones. The human body has many joints; these include the ellipsoidal joint, the swivel joint, the ball-and-socket joint, the saddle joint, the hinge joint, and the plane joint.
