Elevated blood cell count can be a result of:
a. bacterial infection
b. viral infection
c. parasitic infection
d. immune hypersensitivity/ allergic reactions
e. all of the choices are correct.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

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explanation:

bc blah

cells spend most of their time in interphase