are the bones in your body?
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Vampires and ghosts don't really exist, but skeletons sure do! Every single person has a skeleton made up of many bones. These bones give your body structure, let you move in many ways, protect your internal organs, and more. It's time to look at all your bones — the adult human body has 206 of them!
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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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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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Distinguish between bone as a tissue and as an organ. Osseous tissue is connective tissue with the matrix hardened by mineralization. The skeletal system is an group of bones and other tissues working together to form an organ of the body. Flat bones- curved by wide and thin, protects soft organs.
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Humans and other mammals share the same distant ancestors, so our bones are almost identical to theirs in form and function. The bones in your hand have the same layout as those in bat wings and in the fins of whales, for instance. ... Even today, mistaken identifications of human bones from animal remains can occur.
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The majority of human bones have a dense, strong outer layer, followed by a spongy part full of air for lightness, while the middle contains a soft, flexible, tissue substance called bone marrow. Bone marrow makes up 4% of a human body mass. It produces red blood cells which carry oxygen all over the body.
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Bone weight depends on how much a person”s entire body weighs. Bones make up around 15% of a person”s total body weight. While people do have different frame size, most who weigh too much for their height do so because of excess body fat.
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Bone content is the percentage of bone mineral as compared to total body weight. The average bone content for adults is 3-5%.
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Strictly speaking, bones aren't white—not gleaming white, at any rate. Living bones inside the body contain a number of pigmented chemicals. They are essential for the body's health and give our bones a slightly yellowish color. But it's also minerals that give bones their relatively whitish hue.
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The bones of the skeletal system serve to protect the body's organs, support the weight of the body, and give the body shape. The muscles of the muscular system attach to these bones, pulling on them to allow for movement of the body.
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Bones are discrete organs made up of bone tissue, plus a few other things. The main misconception about bones then, is that they are made up of dead tissue. This is not true, they have cells, nerves, blood vessels and pain receptors.
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A skeleton is the hard structure that protects the internal organs of a living thing. Skeletons can be inside the body or outside the body. In mammals, which include humans, the skeleton is made of bones. All the bones, when they are joined together, make the "skeletal system" of a body.
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Composition. Bone itself consists mainly of collagen fibres and an inorganic bone mineral in the form of small crystals. In vivo bone (living bone in the body) contains between 10% and 20% water. Of its dry mass, approximately 60-70% is bone mineral.
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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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The bones in your body are made from material which has a tensile strength of 150MPa, a strain to failure of 2% and a fracture toughness of 4MPa(m)½. ... Bone is less dense than metals and this is important because the weight of our bones strongly affects the energy needed to move around.
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The bones of the body come in a variety of sizes and shapes. The four principal types of bones are long, short, flat and irregular.
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Bones shape our body and help us to stand up straight. Muscles are attached to bones; they help us walk and run and smile. All the bones in our body make up our skeleton – from the top of our skull to the tips of the phalanges at the end of our toes. Muscles stretch across our bones and are attached with tendons.