Examlex
AD is a slowly progressive disease that begins with mild memory problems and ends with severe brain damage.
Classroom
A designated space or environment for learning, typically within a school, where a teacher guides students in acquiring knowledge and skills.
Neurotransmitter
A chemical substance that makes possible the transmission of neural impulses from one neuron to another.
Norepinephrine
A neurotransmitter and hormone involved in arousal, alertness, and the regulation of blood pressure.
Serotonin
A neurotransmitter that is involved in the responsiveness of the medulla, emotional responses such as depression, and motivational responses such as hunger.
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