The pancreas is an organ connected to the digestive tract of humans by a duct (tube) through which digestive enzymes flow. These enzymes are important to the digestive system because they

Correct Answer: C

Rationale: Pancreatic enzymes (e.g., amylase, lipase, trypsin) break down carbohydrates, fats, and proteins into smaller molecules that can be absorbed into the bloodstream and cells. They don't form proteins , acids , or wastes directly.

Correct Answer: A

Rationale: Bile from the gallbladder emulsifies fats, breaking them into smaller droplets, making A correct; lipase digests fats, not emulsifies them.

Correct Answer: B

Rationale: Insulin promotes glucose uptake by cells, lowering blood levels, making B correct.

Correct Answer: D

Rationale: Trypsin functions best at neutral to basic pH (around 7-8) in the small intestine, making D correct.

Correct Answer: C

Rationale: Gastric glands (pepsin) and pancreas (trypsin) digest proteins, making C correct.