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More cards in this set
Card 6
Front
What is the all-or-nothing principl in relation to nerve impulses?
Back
Card 7
Front
Why can the strength of the stimulus not be detected by the size of the stimulus?
Back
Card 8
Front
What two mechanisms can help an organism perceive the size of the stimulus?
Back
Card 9
Front
During the refractory period- what ions are prevented from moving?
Back
Card 10
Front
What prevents the Na+ ions movement during the refractory period?
Back
Card 11
Front
What are the three purposes of the refractory period?
Back
Card 12
Front
How does the refractory period ensure that action potential only travel in one direction?
Back
Card 13
Front
How does the refractory period produce discrete impulses?
Back
Card 14
Front
How does the refractory period limit the number of action potentials?
Back
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