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what are the physiological systems known as integrative systems why is this designation justifiedthe integrative systems are the nervous system and
to increase the strength of the muscle work is the muscle contraction intensely increasedan increase in the strength of the muscle work is not
what is the neurotransmitter of the neuromuscular junction how does the nervous system trigger muscle contractionthe nervous cells that trigger the
what happens when the oxygen supply is insufficient to maintain aerobic cellular respiration during muscle exerciseif oxygen from hemoglobin or
how does phosphocreatine act in the muscle contraction and relaxationphosphocreatine is the main means of energy storage of the muscle cellsduring
what is myoglobin what is the function of this molecule in the muscle tissue myoglobin is a pigment same to hemoglobin and present in muscle fibers
how do calcium ions participate in muscle contraction why do both muscle contraction and muscle relaxation spend energyin the muscle cells calcium
what are the positions of actin and myosin molecules in the sarcomere before and during the muscle contractionschematically actin filaments attached
what are the main proteins that constitute the sarcomere what is the function of those molecules in the muscle cellsin the sarcomere there are
what are sarcomeressarcomeres are the contractile units of the muscle tissue formed of alternating actin blocks thin filaments and myosin blocks
how is the striped pattern of the striated muscle cells formed the functional units of the muscle fibers are the sarcomeres within the sarcomeres
what are the types of muscle tissues what are the morphological features that differentiate those typesthere are three kinds of muscle tissue the
what are the flat bones and the long bonesthe major bones of the body may be divided as flat or long bones there are bones not classified into these
what are the functions of the osseous tissuethe major functions of the osseous tissue are to give structural rigidity to the body and to delineate
what are the haversian canals and the volkmanns canals of the bones is the osseous tissue vascularizedthe haversian canals are longitudinal canals
what are the three main cell types that form the osseous tissue what are their functionsthe three major cell types of the osseous tissue are the
what are some functions of the cartilages in the human bodycartilages are responsible for the structural support of the nose and ears the trachea and
what is the constitution of the cartilaginous matrixthe cartilaginous matrix is made of collagen fibers mostly collagen type ii and of proteoglycans
what are the cells that form the cartilaginous tissue the main cells of the cartilages are the chondrocytes originate from the chondroblasts that
which type of tissue are the cartilaginous and the osseous tissuethe cartilaginous and the osseous tissues are considered connective tissues as they
which are the organs that are part of the musculoskeletal systemthe main organs and tissues that are part of the musculoskeletal system in humans are
what are melanocytesmelanocytes are epithelial cells of the skin particular in secretion of melanin melanin is a pigment that besides coloring the
which are the glands present in the epidermis of mammals birds and reptilesin the epidermis of birds and reptiles there are almost no glands in
how different is the fish epidermis from the amphibian epidermisthe fish epidermis is very thin and having mucus-secreting cells the fish skin does
what is the function of keratin in the epidermisthe epidermis is the outer layer of the skin made of epithelial tissue in the epidermis there are