BIOD 121 - Essentials in Nutrition Module 2

BIOD 121 - Essentials in Nutrition Module 2 Digestion: Correct answer- is the process of transforming food into basic nutrients that can be absorbed across the wall of the GI tract; once absorbed, the nutrients can be used to fuel our cells for growth, fight infection, and provide energy to our muscles and brain to perform daily activities The GI tract is a long hollow tube that begins: Correct answer- with the mouth and ends at the anus The innermost layer of the GI tract is known as the _______ or _______. This is made up of absorptive cells and glands. Correct answer- intestinal wall; mucosa Ulcers/Peptic ulcer: Correct answer- a sore that develops on the lining of the esophagus, stomach, or small intestine The other layers of the GI tract are compromised of ________. There job is to: Correct answer- circular and longitudinal muscles; is to mix the food and move it along the GI tract What are the organs apart of the digestive process, but not apart of the GI tract: Correct answer- salivary glands, liver, gallbladder, and pancreas There are six specific parts of the GI tract: Correct answer- the mouth, esophagus, stomach. small intestine, large intestine, and the rectum What role do organs play in the digestion system: Correct answer- to produce and secrete substances that aid in digestion In the digestive system,the breakdown of food into smaller units involves: Correct answer- chemical and mechanical processes There are 3 processes that the body can use to absorb nutrients from the GI tract into the blood or lymph system and eventually into the cells. What are they: Correct answer- passive diffusion, facilitated diffusion, and active transport Passive diffusion: