Examlex
Temperature inversions often occur during the day, as the ground surface radiatively warms and in turn warms the layer of air immediately above it.
Stimulants
Substances that increase activity in the brain and body, often enhancing alertness, attention, and energy.
Mirror Neurons
Neurons that fire both when an individual acts and when the individual observes the same action performed by another, contributing to empathy and understanding.
Neurotransmitter
Chemical messengers used by the nervous system to transmit messages between neurons or from neurons to muscles.
Hormones
Chemical messengers produced by the endocrine glands that are released into the blood to affect target organs.
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