- Study guides, Class notes & Summaries

Module 2.1 (BIOD 121 - Nutrition) Latest Update Graded A+ Once absorbed, how can nutrients be used? - ANSWER-To fuel cellular growth, fight infections, and provide energy to our muscles and brain Peristalsis - ANSWER-Involuntary muscle contractions that move food through the digestive system. Enzymes - ANSWER-Proteins that catalyze chemical reactions Mucosa - ANSWER-The innermost layer of the human digestive tract Passive diffusion - ANSWER-The movement of substanc...