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These functions: - Excitability: Represents the degree of ease k have the muscles to act upon receipt of nerve impulses. Elasticity: The ability of muscles to lengthen its length and then return to its original position. Contractility: Shortening of the muscle to be excited. Tonicidad: The% d tnsión k is the resting muscle. S.ÓSEO-M.Tienen 2cmponentes: Professional Component: Represents 30% of bone weight and strength seco.La provides elasticity and flexibility. The mineral matrix : rprsnta 70% dl weight bone bone seco.Le gives great strength and resistance to pressure. encntrmos K cells are the following: - Osteocytes: They are in the vavidades interiores.Participan in frmación and bone growth and intervene in bone repair.- Osteoblasts: These are the products of the organic component of the matrix .- Osteoclasts: Responsible for remodeling and reabsorb the bone. Types of bones "H.largos: Are those prevailing in the length of the bones amplitud.Sn 'own bone extremidades.Estos distinguish: the espíficis, ls are the ends of bones. The shaft, center. H.cortos: Sn cuadra.Presentan the k have similar cumplitud appearance and length. H.planos: They dominated amplitude is about longitud.Se h.delgados and widths. s.óseo-muscular Functions: Maintain body position. Join sangre.Proporcionar cells movimientos.Crear levers for cavities to protect organs delicados.Reserva minerals.Joints: These are the places of union between the bones and may be between 2O + bones. Features: Allows the movement of the locomotor apparatus and helps absorb the reactive forces k are given on the body. 3Tipos of joints: Sinartrosis: ( Still) not moving as a result of contacts between ls k ls bones are too rigid (cranium). Diarthrosis (mobile) Present mayr movement or mnr medida.Anfiartrosis (semimóvles) Hk have little ability to move:

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