2026 QUESTIONS AND SOLUTIONS
GRADED A+ COMPLETE
●● Chemical digestion.
Answer: Enzymatic breakdown of nutrients into absorbable units
●● HCl (stomach).
Answer: Activates pepsin, kills bacteria, helps mineral absorption
●● Pepsin.
Answer: Enzyme that digests protein in the stomach
●● Mucus (stomach).
Answer: Protects stomach lining from acid
●● Gastrin.
Answer: Hormone that increases stomach motility and secretions
●● Intrinsic factor.
Answer: Needed for vitamin B12 absorption
, ●● Amylase.
Answer: Enzyme that digests carbohydrates
●● Lipase.
Answer: Enzyme that digests fats
●● Trypsin & chymotrypsin.
Answer: Pancreatic enzymes that digest proteins
●● Peristalsis.
Answer: Wavelike movements that move food through GI tract
●● Segmentation.
Answer: Mixing movements in the intestines
●● Bile.
Answer: Emulsifies fats; NOT an enzyme
●● Pancreas.
Answer: Produces digestive enzymes and bicarbonate