Answer:
C. release of neurotransmitters
Explanation:
The action potential is an explosion of electrical activity that is created by a depolarizing current. This means that some event (a stimulus) causes the resting potential to move toward 0 mV. When the depolarization reaches about -55 mV a neuron will fire an action potential.
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Your question: Two animals are considered members of different biological species if they _____.
Your answer: Two animals are considered members of different biological species if they are male or female, but they can't interbreed.
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Answer:
Light ray coming inside the human eye refracts four times,
the first refraction takes place in cornea, secondly it takes place in aqueous humor, followed by refraction in lens and then in vitreous humor.