Examlex
The angle of the noon sun varies by a total of_____ degrees over the course of the year.
Absolute Refractory Period
a period immediately following the transmission of a nerve impulse when a neuron is not responsive to stimulation from another impulse.
Neurotransmitters
Chemical substances that transmit signals from one neuron to another across synapses.
Reuptake
The process by which neurotransmitters are taken back into the synaptic vesicles of the neuron after being released into the synaptic cleft.
Opiate Drugs
A classification of narcotics derived from the opium poppy plant, often used for pain relief but also associated with a high potential for addiction and abuse.
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