Examlex
Vitamin D aids in the ability to see at night.
Period
A length or span of time; in grammar, it is a punctuation mark used to denote the end of a sentence.
Neurotransmitters
Chemical substances in the nervous system that transmit signals across a synapse from one neuron to another.
Neuron
A neuron, which serves as the foundational unit of the nervous system, is essential for the reception, processing, and communication of information via electrical and chemical signals.
Impulse
A sudden, involuntary urge to do something.
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