젖 (Milk) is a nutritious liquid produced by mammals, including humans. It serves as the primary source of nutrition for newborns, providing essential vitamins, minerals, and proteins necessary for growth and development. Milk can be consumed directly or processed into various dairy products like cheese, yogurt, and butter. In addition to its nutritional benefits, milk is a versatile ingredient in cooking and baking. It can be used in a variety of recipes, from creamy sauces to desserts. Different types of milk, such as cow's milk, goat's milk, and plant-based milk alternatives, cater to diverse dietary preferences and needs.