Sense organs like the eyes, nose, ears, tongue, and skin are the window to the body and help with activities and functions. The eye has six main parts - pupil, retina, cornea, lens, iris and optic nerve. The nose helps with smell and contains parts like the nasal cavity and nostrils. The ear aids hearing and comprises 10 parts, including the outer ear, ear drum, hammer, and anvil. The tongue allows for taste through small and large taste buds. Lastly, the skin enables touch and has two primary layers - the epidermis and dermis.