How does brown fat differ from white fat?

How does brown fat differ from white fat? 
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Answer :

White fat (or adipose tissue) stores nutrients. Brown fat, also called brown adipose tissue, consumes its nutrient stores to generate heat to warm the body. It is called brown fat because it has a deep, rich, dark color that is derived from the numerous mitochondria in each individual cell. Brown adipose tissue is found in infants and very young children between the shoulder blades, around the neck, and in the anterior abdominal wall. Older children and adults rely on shivering to warm the body.
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