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q what is the function of the myelin sheath do all axons present a myelin sheaththe function of the myelin sheath is to improve the speed and safety
who is aristotle - the stagiritethe ptodigious activity of aristotle 384-323 bc marks the climax of the golden age of greece the very existence of
q what is meant by the peripheral nervous system pnsthe peripheral nervous system comprehends the ganglia and nerves of the
q what are ganglianeural ganglia or ganglia singular ganglion are structures located outside the central nervous system for instance beside the
q what are nervesaxons extend all through the body inside nerves nerves are axon-containing structures presenting many axons and covered by
q according to the function of the transmitted neural impulse which are the types of neurons how different are the concepts of afference and
explain history of plant classification - ancient greeks and romanshippocrates the father of medicine 460-377 bc is reputed to have been one of
q what is an example of a situation in which the neuron cell body is located in a part of the body and its axonal terminal portion is in another
explain the history of plant classificationbefore darwins theory of evolution and publication of his epoch making work origin of species in 1959 no
q what do you mean by synapsessynapses are the structures that transmit the neural impulse between two neuronswhen the electric impulse arrives the
q what is the name of the terminal portion of the axonthe terminal portion of the axon is called as presynaptic membrane through this membrane
q what are the three main parts into which a neuron can be divided what are their respective functionsthe three mains parts into which a neuron can
q what are the functional differences between neurons and glial cellsneurons and glial cells are the cells that form the nervous system neurons are
explain the principles of taxonomy the goal of taxonomy is to develop a workable classification that reflects evolutionary relationships and provides
q illustrate the major cells of the nervous systemthe major cells of the nervous system are the neurons as well the neurons the nervous system is
q which are the structures that are part of the nervous systemthe structures that form the nervous system can be divided into the peripheral nervous
q what are the physiological systems known as integrative systems why is this designation justified the integrative systems are the endocrine system
define systematic botany - taxonomywe will now learn something mare about systematic botany the early recognition of harmful and useful plants was
define classification - taxonomyclassification is the arrangement of organisms into groups having common characteristics these groups are then
explain the objectives of taxonomylet us summarise the objectives of taxonomy1 to inventory the world flora and fauna2 to provide a method for
demonstration of diversity of plant and animal - taxonomya third objective is the demonstration of tremendous diversity of the plant and animal world
q what is the difference between temporal summation and spatial summation of muscle fibers what is tetany spatial summation is the recruiting
q to increase the strength of the muscle work is the muscle contraction intensely increased an increase in the strength of the muscle work is not
q what is the neurotransmitter of the neuromuscular junction how does the nervous system trigger muscle contractionthe nervous cells that trigger the
q what happens when the oxygen supply is inadequate to maintain aerobic cellular respiration during muscle exerciseif oxygen from myoglobin or