Examlex
Identify and explain the main theme of Keats's "Ode on a Grecian Urn."
Neurotransmitters
Chemical substances that transmit signals across a synapse from one neuron to another, playing a key role in the functioning of the nervous system.
Autonomic Nervous System
The part of the nervous system that controls involuntary actions of the body, such as heart rate and digestion.
Moderate Alcohol
Consumption of alcoholic beverages in a manner that is considered to be within the limits of safety, not leading to alcohol abuse or dependence.
Heart Attack
A medical condition that occurs when the blood supply to part of the heart is blocked, causing heart cells to die.
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