Eyes And Ears Flashcards, test questions and answers
Discover flashcards, test exam answers, and assignments to help you learn more about Eyes And Ears and other subjects. Don’t miss the chance to use them for more effective college education. Use our database of questions and answers on Eyes And Ears and get quick solutions for your test.
What is Eyes And Ears?
Eyes and ears are two of the most important organs in the human body. The eyes provide humans with the ability to see and interpret their environment, while the ears enable us to hear sound. Both of these senses are integral for interpreting information about our surroundings, and for understanding others. The eyes have several features that enable them to work properly. The pupils adjust the amount of light entering the eye, while the iris helps focus incoming light on the retina. The lens further focuses light onto a small area called a fovea which is responsible for detailed vision. Finally, rods and cones allow us to discern color and motion by converting incoming light into electrical signals that travel along nerve fibers to be interpreted by our brain as images or shapes. Ears also have several components which allow us to hear sound waves enter our ear canal where they vibrate tiny hairs within our cochlea which convert them into electrical signals. These signals travel through an auditory nerve which transmits them to the brain where they are processed as sounds we can recognize such as music or speech. In addition, there is a semi-circular canal located in each ear made up of three canals which help us detect balance and orientation within a three-dimensional space by sensing movement within this inner ear structure. Both eyes and ears play an important role in how humans perceive their environment; without either sense we would be greatly limited in what we could experience in life.