Vertigo is a specific type of dizziness experienced as an illusion of movement of ones self or the environment. Some experience dizziness in the form of motion sickness, a nauseating feeling brought on by the motion of riding in an airplane, a roller coaster, or a boat. Dizziness, vertigo, and motion sickness all relate to the sense of balance and equilibrium. The inner ear (also called the labyrinth), which monitors the directions of motion, such as turning, rolling, forward-backward, side-to-side, and up-and-down motions.
NORTHERN HEMISPHERE Nigeria is in the Northern Hemisphere on the continent of Africa. NORTHERN HEMISPHERE Nigeria is in the Northern Hemisphere on the continent of Africa.
Nigeria - Location, size, and extent Photo by: Ruslan Olinchuk Located at the extreme inner corner of the Gulf of Guinea on the west coast of Africa, Nigeria occupies an area of 923,768 sq. km (356,669 sq mi), extending 1,127 km (700 mi) EâW and 1,046 km (650 mi) NâS. Comparatively, the area occupied by Nigeria is slightly more than twice the size of the state of California.