The arch is one of the single most important architectural discoveries in human history, and we have the Romans to thank for it. ... It allowed the Romans to make bigger buildings, longer roads, and better aqueducts. The
What is the importance of arches?
Your arches support your body weight while you're standing. They also play an important role in helping you propel forward when walking or running. They move with your other bones, tendons, and ligaments to create a spring-like action that moves you forward. Your arch absorbs shock when your foot hits the ground.
What makes the arch so special?
They can span much wider openings because they can be made from small, easily carried blocks of brick or stone, as opposed to a massive, monolithic stone lintel. An arch can also carry a much greater load than a horizontal beam can support.