what are the four main functions of a skeleton?
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The major functions of the bones are body support, facilitation of movement, protection of internal organs, storage of minerals and fat, and hematopoiesis. Together, the muscular system and skeletal system are known as the musculoskeletal system.
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The Axial Skeleton The skeleton is subdivided into two major divisions—the axial and appendicular. The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back (Figure 1). It serves to protect the brain, spinal cord, heart, and lungs.
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['supports the body.', 'facilitates movement.', 'protects internal organs.', 'produces blood cells.', 'stores and releases minerals and fat.']
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There are five types of bones in the skeleton: flat, long, short, irregular, and sesamoid. Let's go through each type and see examples.
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Today, we're going to look at the four main organs of the skeletal system: bones, cartilage, ligaments, and tendons.
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The skeletal system is the body system composed of bones, cartilages, ligaments and other tissues that perform essential functions for the human body. Bone tissue, or osseous tissue, is a hard, dense connective tissue that forms most of the adult skeleton, the internal support structure of the body.
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The bones of the skeletal system protect the body's internal organs, support the weight of the body, and serve as the main storage system for calcium and phosphorus. The muscles of the muscular system keep bones in place; they assist with movement by contracting and pulling on the bones.
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Bone is a mineralized connective tissue that exhibits four types of cells: osteoblasts, bone lining cells, osteocytes, and osteoclasts [1, 2]. Bone exerts important functions in the body, such as locomotion, support and protection of soft tissues, calcium and phosphate storage, and harboring of bone marrow [3, 4].
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The Axial Skeleton The skeleton is subdivided into two major divisions—the axial and appendicular. The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back (Figure 7.2).
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Bones have many functions. They support the body structurally, protect our vital organs, and allow us to move. Also, they provide an environment for bone marrow, where the blood cells are created, and they act as a storage area for minerals, particularly calcium.
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['Support : It provides a framework to support the organs and tissues of the body.', 'Protection: It protects our internal organs. ... ', 'Movement: It provides a framework for muscles to attach.']
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The skeletal system includes four basic components, although some sources include a fifth, the joints. The four are the bones, which make up most of the mass of the skeletal system; cartilage, which acts mainly as padding; ligaments, which usually connect bones to bones; and tendons, which join muscles to bones.
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['1Building all parts of the body such as muscle, bone, teeth, and blood.', '2Producing energy (power and heat)', '3Keeping the body in good working order.']
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The bones perform five main functions for the body: Provide support: The skeletal system provides structural support for the entire body. Individual bones or groups of bones provide a framework for the attachment of soft tissues and organs. Store minerals and lipids: Calcium is the most abundant mineral in the body.
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Support, protection to soft tissues, movement, production of blood cells and mineral homeostasis are the major functions of the skeletal system.
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Key Points The axial skeleton provides support and protection for the brain, spinal cord, and the organs in the ventral body cavity; it also provides a surface for the attachment of muscles, directs respiratory movements, and stabilizes portions of the appendicular skeleton.
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The axial skeleton consist of: the skull, hyoid bones, vertebral column, ribs, and sternum.