The food mixes thoroughly with acidic gastric juice of the by the churning movement-

Correct Answer: C

Rationale: The stomach churns food with gastric juice to form chyme.

Correct Answer: C

Rationale: The duodenum is the C-shaped, widest part of the small intestine.

Correct Answer: A

Rationale: Bile emulsifies fats in the duodenum, the first part of the small intestine.

Correct Answer: A

Rationale: HCl kills microorganisms in food, aiding in sterilization.

Correct Answer: A

Rationale: Iron is absorbed in the proximal small intestine (duodenum and jejunum).