Final answer:
The role of brown fat is to warm the body, while the role of white fat is to store nutrients.
Step-by-step explanation:
The role of brown fat is to warm the body, while the role of white fat is to store nutrients. Brown adipose tissue, also known as brown fat, is thermogenic, meaning it releases metabolic heat as it breaks down fats. It is more common in infants and is found mainly in the neck and clavicular regions of the body. White adipose tissue, on the other hand, contributes mostly to lipid storage and can serve as insulation from cold temperatures and mechanical injuries.