Humans rely ... When the eye is exposed to red light, the red v/s green opponent channel gets activated. This activation ...
researchers at the University of Pennsylvania successfully transplanted a human brain organoid into a damaged rat brain. The organoid made connections to the rest of the brain and responded to ...
The amount of light entering the eye is controlled by a reflex action. The size of the pupil changes in response to bright or dim light. This is controlled by the muscles of the iris.