The Stomach and the Small Intestine Flashcards
The ____is a muscular, expandable organ.
Stomach
Is a strong acid that kills most microorganisms present in the food
Hydrochloric acid
This helps expand the surface area of the stomach so it can store more food
Rugae
These transform the bolus into thick, semi-liquid food.
Chyme
About 6-7 m long and 2-4 cm wide. It is where 90% of chemical digestion and absorption of food occur
Small Intestine
What are the 3 segments of the small intestine
- deodenum
- jejunum
- ileum
This is mainly for digestion and neutralization of the chyme’s acidity.
Duodenum
The ______ and ______ are mostly responsible for the absorption of nutrients from the digested food
Jejunum and ileum
The folded surfaces of the small intestine are covered with
Villi
The fingerlike projections that are covered with plenty of another set of fingerlike projections are called
Microvili