Question

the main site of food absorption in the human digestive system is the:
a stomach
b esophagus
c small intestine
d large intestine
e rectum
question 34
traditional gastric bypass surgery ____.
a reduces the volume of the stomach.
b prevents food from entering the upper part of the small intestine.
c allows food to pass through the stomach normally.

Explanation:

For the first question: The small intestine has a large surface area (via villi and microvilli) that facilitates absorption of nutrients into the bloodstream, making it the main site of food absorption.
For the second question: Traditional gastric bypass surgery creates a small stomach pouch and reroutes the small intestine to connect to this pouch, which reduces stomach volume (limiting food intake) and bypasses part of the small intestine.

Answer:

First question: C. Small intestine
Second question: A. reduces the volume of the stomach.