what are the three main parts of the skeletal system?
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The human skeletal system consists of bones, cartilage, and the membranes that line the bones.
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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).
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What is the skeletal system? The skeletal system is your body's central framework. It consists of bones and connective tissue, including cartilage, tendons, and ligaments. It's also called the musculoskeletal system.
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Human Axial Skeleton. The axial skeleton forms the central axis of the human body and includes the bones of the skull, the ossicles of the middle ear, the hyoid bone of the throat, the vertebral column, and the thoracic cage (ribcage).
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['Skull – including the jaw bone.', 'Spine – cervical, thoracic and lumbar vertebrae, sacrum and tailbone (coccyx)', 'Chest – ribs and breastbone (sternum)', 'Arms – shoulder blade (scapula), collar bone (clavicle), humerus, radius and ulna.', 'Hands – wrist bones (carpals), metacarpals and phalanges.', 'Pelvis – hip bones.']
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The skeleton, muscles, cartilage, tendons, ligaments, joints, and other connective tissues are all part of the musculoskeletal system, which work together to provide the body with support, protection, and movement.
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The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate animal, including humans. The primary divisions of the skeleton system are the head, thorax, and vertebral column. The human cranium supports the structures of the face and forms the brain cavity.
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The adult human skeleton usually consists of 206 named bones. These bones can be grouped in two divisions: axial skeleton and appendicular skeleton. The 80 bones of the axial skeleton form the vertical axis of the body. They include the bones of the head, vertebral column, ribs and breastbone or sternum.
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['The axial skeleton forms the axis of the body. It includes the skull, vertebral column (spine), and rib cage. ... ', 'The appendicular skeleton forms the appendages and their attachments to the axial skeleton.']
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The body's bones (the skeletal system), muscles (muscular system), cartilage, tendons, ligaments, joints, and other connective tissue that supports and binds tissues and organs together comprise the musculoskeletal system. Most importantly, the system provides form, support, stability, and movement to the body.
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The three main components of the central nervous system are the brain, spinal cord, and neurons.
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Axial skeleton. The part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones. Skull. a framework of bone or cartilage enclosing the brain of a vertebrate.
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Parts of the Sternum. The sternum can be divided into three parts; the manubrium, body and xiphoid process. In children, these elements are joined by cartilage. The cartilage ossifies to bone during adulthood.
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['Support – the skeleton keeps the body upright and provides a framework for muscle and tissue attachment.', 'Posture – the skeleton gives the correct shape to our body.', 'Protection – the bones of the skeleton protect the internal organs and reduce the risk of injury on impact.']
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The human body consists of a bony skeleton and muscles. The three main parts of the body are: the head, the trunk and the limbs (extremities). The head is composed of the cranial and facial parts. It contains the brain, the centre of the nervous system.
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The human's axial skeleton is composed of 80 bones and is the central core of the body. The primary divisions of the skeleton system are: Head, including the bones of the skull (cranium), face, auditory ossicles, and hyoid bone. Thorax, including the rib cage and sternum.
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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).