what is the basic structural and functional unit of bone tissue?
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The functional unit of bone is an osteon. Within each osteon is the Haversian canal, through which the blood and nerve supply of bone tissue runs. Three other structures found in each osteon are the lamellae, lacunae and canaliculi.
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['Energy: (Protein, Carbohydrates, Fats); when the bonds are broken, it releases heat in the form of calories.', 'Structure: Calcium and protein account for the building of bone structure.', 'Regulation: Protein; building new hormones and regulating fluid balance.']
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Cell and Tissue – Differences Cells are the smallest, structural and functional unit of an organism, which is characteristically microscopic. Tissues are the distinct types of material consisting of specialized cells and their products. Found in both unicellular and multicellular organisms.
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Bone is a living tissue made from calcium compounds and other minerals and is strong but slightly flexible. Your skull is made from several bones, joined firmly together - these are fixed joints. Elsewhere in your body, the bones are joined more flexibly.
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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.
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The basic unit of structure and function in all living organism is cell.
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As will soon be described, the functional unit of a skeletal muscle fiber is the sarcomere, a highly organized arrangement of the contractile myofilaments actin (thin filament) and myosin (thick filament), along with other support proteins.
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Bones are composed of two types of tissue: A hard outer layer called cortical (compact) bone, which is strong, dense and tough. 2. A spongy inner layer called trabecular (cancellous) bone. This network of trabeculae is lighter and less dense than compact bone.
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Bone consists of four types of cells: osteoblasts, osteoclasts, osteocytes, and osteoprogenitor (or osteogenic) cells. Each cell type has a unique function and is found in different locations in bones.
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The osteon or haversian system /həˈvɜːr. ʒən/ (named for Clopton Havers) is the fundamental functional unit of much compact bone. Osteons are roughly cylindrical structures that are typically between 0.25 mm and 0.35 mm in diameter.
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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 basic functional unit of the skeletal muscle. Inside the sarcolemma, each fiber is comprised of parallel aligned myofibrils and the surrounding sarcoplasm, which is muscle cell cytoplasm. Myofibrils are assembled of repeated structures called sarcomeres – the smallest functional unit of muscle fiber.
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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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They are lightweight yet strong and hard, and serve multiple functions. Bone tissue (osseous tissue) is a hard tissue, a type of dense connective tissue. It has a honeycomb-like matrix internally, which helps to give the bone rigidity. Bone tissue is made up of different types of bone cells.
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Bone TissueEdit The bones of the human skeleton are comprised of two basic kinds of osseous tissue which differ in texture. Compact Bone appears very smooth and homogeneous.
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The bone matrix is that part of the bone tissue and forms most of the mass of the bone. It is comprised of organic and inorganic substances. The organic component of the bone matrix includes the collagen and ground substance whereas the inorganic component is the inorganic bone salts, mainly the hydroxyapatite.
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Bone is a strong, flexible and semi-rigid supporting tissue. It can withstand compression forces, and yet it can bend. Like cartilage, and other types of connective tissue, bone is made up of Cells and Extracellular matrix: Cells - which in bone are called osteoblasts and osteocytes, (osteo - bone).