The document summarizes key aspects of the human senses of taste, touch, sight, and their associated sensory organs. It describes the main taste receptors on the tongue and their role in perceiving the five basic tastes. It also outlines the main mechanoreceptors in skin responsible for sensing touch. Regarding sight, it details the main parts of the eye and retina, and how light stimulation leads to vision. It discusses accommodating for near and far vision and common visual disorders like myopia.