Milk is a nutrient-rich liquid produced by mammals, primarily for nourishing their offspring. It is a staple in human nutrition and is commonly obtained from cows, goats, and sheep. Rich in essential nutrients such as calcium, vitamin D, and protein, milk is crucial for bone health and overall well-being. It serves as a versatile ingredient in various culinary applications, from beverages to dairy products like cheese and yogurt. Additionally, milk comes in different forms, including whole, skim, and lactose-free, catering to diverse dietary preferences and needs.