Final answer:
Messages in the nervous system are transmitted through a complex interaction between neurons involving the release of neurotransmitters at synapses, which are received by the next neuron to propagate the signal. This intricate process is similar to cell phone communication, ensuring messages are clear and maintain homeostasis.
Step-by-step explanation:
When a message is sent between the sender and receiver in the nervous system, it involves a complex sequence of events where neurons communicate with each other. This process is centered on the synapse, the junction between neurons, where neurotransmitters are released from the synaptic vesicles of the presynaptic cell (sender) into the synaptic cleft. These molecules then bind to receptors on the postsynaptic cell (receiver), which can lead to the generation of an electrical signal that propagates the message to the next neuron.
The way that these signals are encoded involves the conversion of an electrical impulse in the sending neuron to a chemical signal via neurotransmitters, which is then translated back into an electrical signal in the receiving neuron. This is achieved through an intricate interaction between neurotransmitters like dopamine, serotonin, and various others, as well as specialized proteins known as receptors.
In essence, the human body uses sophisticated cellular communication systems, similar to how cell phone networks encode messages, to maintain homeostasis and coordinate actions.