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Answer: The correct answer is (D) Both A and B
Explanation:
When an axon is depolarized at halfway to the threshold level,the action potential will be generated that would travel 'downstream' i.e towards the synapse and 'upstream' i.e back towards the cell body. This is because both channels on either sides are not under refractory period,i.e they are open.
Answer:
B
Explanation:
He spends most time on his computer and in front of a screen which effects his health ,would give him a migrain and more
so he needs to strengthen his physical activity .
Answer:
There a 2 types insulators and conductors
