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A-Level Biology OCR A

Single Roles Synapses Neurone Number State Fore Describe

Synapses ensure unidirectional impulse transmission, which is vital for signal delivery. They also allow one neuron's impulse to spread to many, and for stimuli from different receptors to converge for a single outcome.

Las sinapsis aseguran la transmisión unidireccional de impulsos, lo cual es crucial para la entrega de señales. También permiten que un impulso de una neurona se transmita a varias, y que múltiples estímulos de diferentes receptores interactúen para producir una única respuesta.

Front State 3 roles of synapses and fore each describe importance of this role to the nervous system.
Back Roles of synapses:
  • Ensure impulses are unidirectional - important bc otherwise wouldnt deliver signal
  • Allow an impulse from one neurone to be transmitted to a number of neurones at multiple synapses - single stimulus creating simultaneous responses
  • Number of neurones may feed into same synapse with single postsynaptic neurone - stimuli from different receptors interacting to produce single result

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