which statement best describes the breakdown of food in the digestive system?\n○ carbohydrate digestion…

which statement best describes the breakdown of food in the digestive system?\n○ carbohydrate digestion starts in the stomach and protein digestion starts in the stomach.\n○ carbohydrate digestion starts in the mouth and protein digestion starts in the stomach.\n○ carbohydrate digestion starts in the esophagus and protein digestion starts in the small intestine.\n○ carbohydrate digestion starts in the small intestine and protein digestion starts in the esophagus.

which statement best describes the breakdown of food in the digestive system?\n○ carbohydrate digestion starts in the stomach and protein digestion starts in the stomach.\n○ carbohydrate digestion starts in the mouth and protein digestion starts in the stomach.\n○ carbohydrate digestion starts in the esophagus and protein digestion starts in the small intestine.\n○ carbohydrate digestion starts in the small intestine and protein digestion starts in the esophagus.

Answer

Brief Explanations:

To determine the correct statement, we recall the digestive process: Carbohydrate digestion begins in the mouth (due to salivary amylase), and protein digestion starts in the stomach (due to pepsin, activated by gastric acid). We analyze each option:

  • First option: Carbohydrate digestion does not start in the stomach, so this is incorrect.
  • Second option: Matches the correct start points (mouth for carbs, stomach for proteins).
  • Third option: Carbohydrate digestion doesn't start in the esophagus, and protein digestion doesn't start in the small intestine initially, so incorrect.
  • Fourth option: Both start points are wrong.

Answer:

B. Carbohydrate digestion starts in the mouth and protein digestion starts in the stomach. (Note: Assuming the options are labeled A, B, C, D in order as per typical multiple - choice formatting. If the original options had different labels, adjust accordingly based on the order of the options in the problem.)