BIOL 215 EXAM 3 - DIGESTIVE SYSTEM QUESTIONS AND ANSWERS NEWEST UPDATED 2024/2025 ALL ANSWERS 100% CORRECT VERIFIED/DETAILED BEST GRADED A+ FOR SUCCESS

BIOL 215 EXAM 3 - DIGESTIVE SYSTEM
QUESTIONS AND ANSWERS NEWEST UPDATED
2024/2025 ALL ANSWERS 100% CORRECT
VERIFIED/DETAILED BEST GRADED A+ FOR
SUCCESS
digestive tract - CORRECT ANSWERS also called alimentary tract or canal


regions of digestive tract - CORRECT ANSWERS - oral cavity
- pharynx
- esophagus
- stomach
- small intestine
- large intestine
- anus


functions of the digestive system - CORRECT ANSWERS 1. ingestion
2. mastication
3. propulsion
4. mixing
5. secretion
6. digestion
7. absorption
8. elimination


ingestion - CORRECT ANSWERS intake of solid or liquid food into the stomach
through the oral cavity

,BIOL 215 EXAM 3 - DIGESTIVE SYSTEM
QUESTIONS AND ANSWERS NEWEST UPDATED
2024/2025 ALL ANSWERS 100% CORRECT
VERIFIED/DETAILED BEST GRADED A+ FOR
SUCCESS
mastication - CORRECT ANSWERS breaks food into smaller particles for better
penetration of digestive enzymes


propulsion - CORRECT ANSWERS movement of food through the digestive
tract


deglutition - CORRECT ANSWERS swallowing (oral cavity to esophagus)


peristalsis - CORRECT ANSWERS rhythmic muscular contractions (esophagus
to the large intestine)


mass movements - CORRECT ANSWERS contractions in large intestine (large
intestine to anus)


mixing - CORRECT ANSWERS segmental contraction that move material back
and forth


- break food into smaller pieces
- mix particles with digestive secretions


secretion - CORRECT ANSWERS lubricate, liquefy, buffer, and digest food


mucus - CORRECT ANSWERS lubricates food and coats lining to protect from
mechanical abrasion, acid, and digestive enzymes

, BIOL 215 EXAM 3 - DIGESTIVE SYSTEM
QUESTIONS AND ANSWERS NEWEST UPDATED
2024/2025 ALL ANSWERS 100% CORRECT
VERIFIED/DETAILED BEST GRADED A+ FOR
SUCCESS

water - CORRECT ANSWERS liquefies food to make it easier to digest and
absorb


bile - CORRECT ANSWERS emulsifies fats


enzymes - CORRECT ANSWERS breaks down


digestion - CORRECT ANSWERS breakdown of large organic molecules into
component parts:


- mechanical digestion: mastication; mixing
- chemical digestion: enzymes


absorption - CORRECT ANSWERS movement from digestive tract into blood or
lymph


elimination - CORRECT ANSWERS waste products of digestive (feces) are
removed from body by defecation


4 Tunics - CORRECT ANSWERS 1. Mucosa
2. Submucosa
3. Muscularis
4. Serosa/Adventitia