BIO 252 Final Exam Prep 2026 – Key Concepts & Practice Questions

BIO 252 Final Exam Prep – Key Concepts
& Practice Questions 2026




Bringing food into the body through the mouth is called: - ANSWER ✨✔---MASTICATION



Swallowing is properly called: - ANSWER ✨✔---deglutition



Breaking food down into its monomers is called: - ANSWER ✨✔---HYDROLISIS



Bringing the monomers from the digestive lumen into the bloodstream or lacteal is called -
ANSWER ✨✔---ABSORPTION



Elimination of solids from the body is called: - ANSWER ✨✔---DEFECATION



List the parts of the alimentary canal in order here. Don't forget the different parts of the small and large
intestine. - ANSWER ✨✔---1. PAROTID GLAND

2. SALIVARY GLAND

3. ESOPHAGUS

4. STOMACH

, 5. SPLEEN

6. DUODENUM

7. SMALL INTESTINE

8. LARGE INTESTIN (COLON)

9. APPENDIX

10. RECTUM

11. ANUS



List the accessory organswer here - ANSWER ✨✔---1. SALIVARY GLANDS

2. PANCREAS

3. LIVER

4. GALL BLADDER



Name two ways to do mechanical digestion - ANSWER ✨✔---1. MASTICATION



2. SEGMENTATION



What happens during hydrolysis? - ANSWER ✨✔---USING WATER AND SPECIFIC ENZYMES
(SUCRASE AND LIPASE) TO BREAK DOWN COVALENT CHEMICAL BONDS



How do we add water to the food in the digestive system? - ANSWER ✨✔---ADD WATER TO THE
DIGESTIVE SYSTEM KNOWN AS MUCUS



If water is what actually break foods down, why do we need enzymes? - ANSWER ✨✔---TO BREAK
DOWN THE ADDITIONAL BONDS THAT HOLD FOOD PARTICLES TOGETHER



The layer of serous membrane ON the digestive organswer is called: - ANSWER ✨✔---
PERITONEUM