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  1. The synapse (article) | Human biology | Khan Academy

    A single axon can have multiple branches, allowing it to make synapses on various postsynaptic cells. Similarly, a single neuron can receive thousands of synaptic inputs from many different …

  2. Synapse structure (video) | Khan Academy

    This video discusses synapses, where neurons communicate with target cells. It differentiates between two types of synapses: chemical and electrical. It also explains the role of the synaptic cleft, …

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  4. Neuronal synapses (chemical) (video) | Khan Academy

    There actually are certain neurons where there isn't any gap--electrical synapses connect directly because electrical signals cannot travel through a gap. Chemical synapses need the synaptic cleft so …

  5. La synapse (leçon) | Biologie humaine | Khan Academy

    La plupart des synapses sont dites chimiques, car les neurones communiquent à l'aide de messagers chimiques. Il existe des synapses électriques, où les ions circulent directement entre les cellules.

  6. Signal propagation: The movement of signals between neurons

    Synapses between neurons are either excitatory or inhibitory – and that all comes down to the neurotransmitter released. Excitatory neurotransmitters cause the signal to propagate - more action …

  7. Synapsy (artykuł) | Neuron i układ nerwowy | Khan Academy

    Pereda AE, "Electrical Synapses and Their Functional Interactions with Chemical Synapses," Nature Reviews Neuroscience 15 (2014): 250-263, http://dx.doi.org/10.1038/nrn3708 .

  8. Anatomy of a neuron (video) | Nervous system | Khan Academy

    And we'll talk more about synapses and those might help trigger other things. So you're saying, what's triggering these things here? Well, this could be the terminal end of other neurons' axons, like in the …

  9. Linear regression review (article) | Khan Academy

    Linear regression is a process of drawing a line through data in a scatter plot. The line summarizes the data, which is useful when making predictions.

  10. Writing expressions | Math (article) | Khan Academy

    Learn to write algebraic expressions with Khan Academy's step-by-step lessons and practice exercises.