Biology 1023 Final Ch. 26 Questions and Answers

The muscular contraction used to push food down the esophagus and to mix chyme in the stomach is called _______. Answer peristalsis All of the following are important components of the digestive system EXCEPT the _______. Answer gallbladder liver pancreas mall intestine All of the above are important parts of the digestive system. Which of the following statements regarding the stomach is incorrect? Answer Stomach acid helps protect us from food-borne diseases. Stomach acid denatures certain proteins in our food. Pepsin is an enzyme produced in the stomach. The colon is responsible for absorption of all of the following EXCEPT _______ Answer bacteria The stomach is an important part of the digestive system. Which of the following functions is not performed by the stomach? Answer produce salivary amylase Why is fiber an important part of our diet? Answer Bacteria living in colon break down fiber to nourish the cells lining the large intestine