Examlex
Which of the following is found only among annelids?
Inhibitory Stimulation
A neural process that decreases the likelihood of a neuron firing, thereby reducing or preventing certain neural activities.
Neurotransmitters
Chemical substances in the nervous system that transmit signals from one neuron to another across synapses.
Chemical Messengers
Substances in the body that transmit signals from one cell to another, typically hormones and neurotransmitters.
Sodium/Potassium Pumps
A type of active transport mechanism that moves sodium ions out of and potassium ions into cells, essential for maintaining cellular function and homeostasis.
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