In a parliamentary system, legislative bodies are elected by the people, and they then elect one of their own members to be the prime minister or executive leader. Additionally, the prime minister's cabinet is elected by the legislature from its own members.
A federal system of government works by dividing the powers between two levels of government. Powers are assigned on the national level, but states also have specific powers.
The Social Security system requires workers to pay a portion of their income to the system to support current retired workers. Once workers retire, they receive benefits accumulated from the payments of others who are still working.
The integumentary system works as a barrier to pathogens and physical trauma that would be dangerous to internal body systems, and it slows down water loss. It consists of the skin and any accessory structures or substances such as scales, feathers, fur or slime.
The nervous system works by absorbing information through the senses, processing that information through a central brain, and using the information to trigger reactions throughout the rest of the body. The billions of nerve cells, called neurons, that are connected to ...
A positive ground system works by directly connecting the chassis of a vehicle to the positive side of the vehicle's battery. This system effectively earths the vehicle as the chassis attaches to the battery using a positive battery cable. The cable is tethered to the b...
Simply put, planets in the solar system revolve around the sun and the solar system is held together by its own gravitational field. The solar system consists of nine planets, the sun, each planet's moons, comets, asteroids and meteors.