Muscles can apply very strong pulling forces to the bones of the skeleton. Similarly, the size of a bony landmark that serves as a muscle attachment site on an individual bone is related to the strength of this muscle. For example, the bones of the lower back and lower limb are thick and strong to support your body weight. Thus, without a skeleton, you would not be able to stand, run, or even feed yourself!Įach bone of the body serves a particular function, and therefore bones vary in size, shape, and strength based on these functions. As muscles contract, they pull on the bones to produce movements of the body. Providing movement of the skeleton are the muscles of the body, which are firmly attached to the skeleton via connective tissue structures called tendons. Ligaments are the strong connective tissue bands that hold the bones at a moveable joint together and serve to prevent excessive movements of the joint that would result in injury. At joints of the body, cartilage can also unite adjacent bones or provide cushioning between them. Cartilage provides flexible strength and support for body structures such as the thoracic cage, the external ear, and the trachea and larynx. Bones support the weight of the body, allow for body movements, and protect internal organs. It consists of the bones, cartilages, and ligaments. The skeletal system forms the rigid internal framework of the body.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |