Stomach Flashcards
1
Q
Chemical digestion of stomach
A
Pepsinogen and hydrochloric acid screwed separately and then mix to crest pepsin
Breaks proteins down into polypeptides
2
Q
Mechanical digestion in stomach
A
Waves of contractions which churn food into chyme
Achieved by double muscle layer- oblique, and longitudinal and circular muscle
3
Q
Structure of stomach
A
Mucosa lining- protects from acid
Gastric pits and gastric glands deep inside wall of stomach and secret pepsinogen, hydrochloric acid and mucus separately
Oblique muscle layer and longitudinal and circular muscle layer- for churning
Larger- hold more content and store food
