Examlex
Identify and give the historical significance of each of the following terms, events, and people in a paragraph or two.
-Transcontinental railroad
Salty Receptors
Taste receptors on the tongue that detect the presence of salt, one of the basic tastes.
Dark Adaptation
The process by which the eyes increase their sensitivity to low levels of light, enabling vision in dim conditions.
Sensory Threshold
The minimum level of intensity at which a stimulus can be detected by the senses.
Rods
Photoreceptor cells in the retina of the eye that are responsible for vision at low light levels.
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