Digestive System Gizmos Comprehensive Test Questions And Complete Answers.

What is the function of the organ shown below (pancreas)? - Produces enzymes that break down carbohydrates, proteins, and fats What is the name for the muscular contractions that push food through the digestive system? - Peristalsis The small intestine shown below contains lymphatic vessels but no capillaries. Which nutrient will be absorbed by this small intestine? - Fatty Acids. Two types of vessels absorb nutrients from the fluid in the small intestine. Capillaries absorb simple sugars, amino acids, and water. The byproducts of fat digestion, fatty acids and monoglycerides, are absorbed by lymphatic vessels. Each villus in the small intestine contains capillaries and a lymphatic vessel. A diagram of the human digestive system is shown below. Removing which organ would have the smallest impact on digestion, absorption, and elimination? (Assume the system will remain connected if a large organ is removed.) - Esophagus. The esophagus provides a passageway between the mouth and stomach but otherwise plays no major role in digestion. The other organs each have essential functions. The churning stomach breaks food down physically, while pepsin and hydrochloric acid in the stomach start the digestion of proteins. The small intestine is the site of most chemical digestion as well as absorption of nutrients. Water and various vitamins are absorbed in the large intestine. The digestive system below contains a mouth, a salivary gland, a stomach, a duodenum, and a pancreas. Which of the following foods will digest most completely in this system? - Pasta. The digestive system shown is missing chief cells, parietal cells, and a gallbladder. Chief cells produce pepsin, which starts to break down proteins in an acidic environment. Parietal cells produce hydrochloric acid. The gallbladder stores bile, which aids in the digestion of fats. In this system, proteins and fats will not be digested well. The food with the smallest proportion of calories from proteins and fats is pasta. The pasta, which is mostly carbohydrates, will be digested most completely by this digestive system.