The reflex pathway consists of retinal ganglion cells, which convey information from the photoreceptors to the optic nerve which connects to the pretectal nucleus of the high midbrain. It bypasses the lateralgeniculate nucleus and the primary visual cortex.
The River Nile is about 6,670 km (4,160 miles) in length and is the longest river in Africa and in the world. Although it is generally associated with Egypt, only 22% of the Nileâs course runs through Egypt.
The longest river in the world is the Nile River with the total length of 7,088 Km or 4,405 miles. The Amazon River is the second longest river of the world. The total length â¦ of the Amazon River is 6,575 km or 4,086 miles. The third longest river of the world is the Yangtze River. The total length of the Yangtze is 6,236 km or 3,876 miles.