CIE A Level Biology (9700) 2019-2021

Revision Notes

15.1.8 The Role of Synapses

The Role of Synapses

  • Synapses slow down the rate of transmission of a nerve impulse that has to travel along two or more neurones
  • Responses to a stimulus would be much quicker if action potentials generated in a receptor travelled along an unbroken neuronal pathway from receptor to effector, rather than having to cross synapses on the way
  • Although this seems disadvantageous or sub-optimal, synapses are very important for several reasons:

The advantages of synapses table

The advantages of synapses, downloadable AS & A Level Biology revision notes

Author:

Alistair graduated from Oxford University in 2014 with a degree in Biological Sciences. He has taught GCSE/IGCSE Biology, as well as Biology and Environmental Systems & Societies for the International Baccalaureate Diploma Programme. While teaching in Oxford, Alistair completed his MA Education as Head of Department for Environmental Systems and Societies.
Close

Join Save My Exams

Download all our Revision Notes as PDFs

Try a Free Sample of our revision notes as a printable PDF.

Join Now
Go to Top