Bile salts, produced by the liver, aid in the digestion of fats primarily in the small intestine. They emulsify fats, breaking them down into smaller droplets to facilitate digestion and absorption. This process is essential for the absorption of fat-soluble vitamins and nutrients. ;
Bile salts, which are produced by the liver, primarily help break down fats in the small intestine. They emulsify fats and facilitate the absorption of fat-soluble vitamins. Thus, the correct answer is option A: Small intestine.
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