Milk
Milk
Milk (/mɪlk/; from Proto-Germanic *meluks) is a nutrient-rich liquid food produced by the mammary glands of mammals. It is the primary source of nutrition for infant mammals before they are able to digest other types of food.
Etymology
The word "milk" comes from the Old English meoluc (West Saxon), milc (Anglian), which is derived from Proto-Germanic *meluks "milk".
Production
Milk is produced by the mammary glands in female mammals to feed their young. The process is known as lactation. The ability to produce milk is one of the defining characteristics of mammals.
Composition
Milk is composed of water, carbohydrates, lipids, and proteins. It also contains important vitamins and minerals that are essential for growth and development.
Types of Milk
There are various types of milk, including:
Each type of milk has a unique composition and nutritional profile.
Uses
Milk is used in a variety of ways in human diets. It can be consumed directly, used in cooking and baking, or processed into dairy products such as cheese, yogurt, and butter.
Health Effects
Milk is a rich source of calcium, which is important for bone health. It also provides other essential nutrients such as protein, vitamin D, and potassium. However, some people are unable to digest lactose, a sugar found in milk, and may experience lactose intolerance.
See Also
External links
- Medical encyclopedia article on Milk
- Wikipedia's article - Milk
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