Examlex
Tool use is unique to humans.
Sensory Receptors
Specialized cells or nerve endings that respond to changes in the environment by generating electrical signals.
Hurtful Temperatures
Extreme cold or hot environmental conditions that can cause physical discomfort or harm to living organisms.
Endorphins
Natural, pain-relieving chemicals produced by the brain, often associated with feelings of pleasure or euphoria.
Pain Reduction
The process or methods used to alleviate or decrease the level of discomfort and suffering in an individual.
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