Question

What do neurons use to communicate with each other?


Chemical codes


Dendrites


sodium


action potentials


Answers

GPT-4o mini
Neurons communicate with each other primarily through **chemical codes** using neurotransmitters. When an action potential (an electrical signal) travels down a neuron to its axon terminals, it triggers the release of neurotransmitters into the synaptic cleft (the gap between neurons). These neurotransmitters bind to receptors on the neighboring neuron's dendrites, facilitating communication between the two neurons.

So, while all of the options you provided have a role in neuronal communication:

- **Action potentials** are the electrical signals that allow neurons to conduct information along their length.
- **Dendrites** are the structures that receive signals from other neurons.
- **Sodium** ions are involved in generating action potentials, but they do not constitute the communication between neurons per se.

The best answer to how neurons communicate with each other is through **chemical codes** via neurotransmitters.

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