Documents The Eye. Iris: the muscle that adjusts the pupil to regulate the amount of light that enters the...

Slide 1 The Eye Slide 2  Iris: the muscle that adjusts the pupil to regulate the amount of light that enters the eye.  Pupil: the aperture in the middle of the iris…

Documents AB

LIGHT: Our entire brain cycles, internal clock cycles, brain mechanisms, and the musical carriers: our neurotransmiitters, are governed by the cycles of day and night, and…