Answer:
Small intestine.
Step-by-step explanation:
The process of breakdown of large food particles into smaller substance with the help of digestive enzymes and juice, their absorption in the body is known as digestion.
Fats are broken down into simpler fats and mono acyl glycerol. The maximum digestion of fat occur in small intestine because the enzyme pancreatic lipase is secreted in the small intestine. The pancreatic lipase breakdown fat into simpler substance. Bile juice helps in the fat emulsification is also secreted into the small intestine.
Thus, the correct answer is option (3).