are all skeletons made of bones?
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All skeletons are made up of bones. Bones are rigid organs that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red and white blood cells and store minerals.
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Bones provide the structure for our bodies. The adult human skeleton is made up of 206 bones. These include the bones of the skull, spine (vertebrae), ribs, arms and legs. Bones are made of connective tissue reinforced with calcium and specialised bone cells.
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Bones are organs that consist primarily of bone tissue, also called osseous tissue. Bone tissue is a type of connective tissue consisting mainly of a collagen matrix that is mineralized with calcium and phosphorus crystals.
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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 skeleton, which forms the support structure inside the fish, is either made of cartilage, in cartilaginous fish, or bone in bony fish. The main skeletal element is the vertebral column, composed of articulating vertebrae which are lightweight yet strong.
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Teeth are considered part of the skeleton system even though they are not bone. Teeth are the strongest substance in your body being made up of enamel and dentin. There are 32 teeth in an adult, and 28 in children. In looking at bone and teeth, there can and is genetic variation between individuals.
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The appendicular skeleton is made up of bones of the upper and lower extremities and the boney girdles, which hold the extremities to the axial skeleton. It consists of the pectoral girdle, which is the scapula and clavicle. The upper extremities are the humorous, ulna, radius, carpals, metacarpals, and phalanges.
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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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What are bones made of? Around 70 percent of your bones are not living tissue, but hard minerals like calcium. The outside of the bone is called the cortical bone. It's hard, smooth, and solid.
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Arthropod and vertebrate skeletons are quite distinct from each other. Basically, the vertebrate skeleton is internal (an endoskeleton) while the arthropod skeleton is external (an exoskeleton).
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Bones are made up of a framework of a protein called collagen, with a mineral called calcium phosphate that makes the framework hard and strong. Bones store calcium and release some into the bloodstream when it's needed by other parts of the body.
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Skeletal system. The skeleton is the central structure of the body and is made up of bones, joints and cartilage. The skeleton provides the framework for muscles and gives the body its defined human shape.
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So, what are the different types of bones? How are they categorized? 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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The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together.
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Bone Basics and Bone Anatomy It's easy to look at these and think of bones as dry, dead sticks in your body, but this couldn't be further from the truth. Bones are made of active, living cells that are busy growing, repairing themselves, and communicating with other parts of the body.
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Some of a baby's bones are made entirely of a special material called cartilage (say: KAR-tel-ij). Other bones in a baby are partly made of cartilage. This cartilage is soft and flexible. During childhood, as you are growing, the cartilage grows and is slowly replaced by bone, with help from calcium.
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There are five types of bones in the skeleton: flat, long, short, irregular, and sesamoid.