The eye is a visual organ that performs the function of observing, seeing, and receiving images and colors of objects and transferring them to the brain for processing and storage. In particular, the pupil and cornea are among the important parts to ensure the function of vision.

Our muscular system consists of many different types of muscles, and each type of muscle plays an important role in the function of the body. Muscles participate in many activities and functions of the body. Without muscles, we cannot live.