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explain the history of animal taxonomythe beginning of animal taxonomy was made by aristotle 384-322 bc he extensively studied about anatomy
q what is the excitation threshold of a neuron how does this threshold relate to the all-or-nothing rule of the neural transmissionthe excitation
q how is the depolarization of the neuronal plasma membrane generated how does the cell return to its original restwhen the neuron receives a
q how do the potassium and sodium ions maintain the resting potential of the neuronthe plasma membrane of the neuron when at rest maintains an
define the post-herbal periodit is difficult to draw a sharp line of demarcation between the transition period marked by various attempts of
explain transition period from renaissance to modern periodthe transition period from the renaissance to the modern period produced many notable
q which is the normal sign of the electric charge between the two sides of the neuron plasma membrane what is the potential difference voltage
q what are the two major ions that participate in the electrical impulse transmission in neuronsthe two major ions that participate in the electrical
q what is the nature of the stimulus received and transmitted by the neuronsneurons transmit and receive chemical stimuli through neurotransmitters
explain doctrine of signatureshanded down from the ancients and elaborated on by the herbalists was the doctrine of signatures which was based on
q what are the protective structures of the central nervous system present in vertebratesin vertebrates the brain and the spinal cord are protected
explain about phytopinax written by caspar bauhina significant contribution to taxonomy was made at this time by caspar bauhin his phytopinax 1596
q what are some major differences of the vertebrate nervous systems comparing to invertebratesin vertebrates the nervous system is well-characterized
q using examples of invertebrate nervous systems how can the process of evolutionary cephalization be describedconsidering the example of
q what is the antagonism between the sympathetic and the parasympathetic neural actionsin general the action of the parasympathetic and the
q what are the two divisions of the autonomic nervous systemthe autonomic nervous system is divided into the parasympathetic nervous system and the
define influence of gardening on the development of botanythe influence of gardening on the development of botany may be seen in the work of john
q what are the functional divisions of the nervous systemfunctionally the nervous system can be divided into the visceral nervous system and somatic
q concerning volition of the individual how can the reactions of the nervous system be classifiedthe efferences reactions of the nervous system can
q how does poliomyelitis affect the neural transmission in the spinal cordthe poliovirus destroys and parasites spinal motor neurons causing
q how is it explained that a person with the spinal cord sectioned at the cervical level is still able to perform the patellar reflexthe arch reflex
explain about the herbal of valerius cordus the herbal of valerius cordus published posthumously in 1561 contained not only medicinal plants found in
q is the neural impulse generated by the stimulus that triggers the arch reflex restricted within the neurons of this circuitthis is obvious since
who is known as father of english botanywilliam turner 1515-1568 whose a new herbal printed in english appeared in 1551 first part 1562 second part
q what are the respective constituents of the gray matter and of the white matter of the spinal cordthe gray matter or gray substance of the spinal