BIOD 121- Module 2 Practice Questions and Answers | 100% Pass

BIOD 121- Module 2 Practice Questions and Answers | 100% Pass What are the 3 functions of digestion? - Answer️️ -Growth, energy, support immune system What can trigger digestion before food enters the mouth? - Answer️️ -Cognition, sound, odor, appearance, and taste What are the 2 processes of digestion that occur once food is in the mouth? - Answer️️ -Chemical Process and Mechanical Process Mechanical Process - Answer️️ -chewing, churning to break down food Chemical Process - Answer️️ -Enzymes, acids, bile and mucus to break down food What benefits do enzymes provide in digestion? - Answer️️ -Enzymes act as a catalyst and speed up chemical reactions What are the three types of absorption? - Answer️️ -Passive diffusion, facilitated diffusion, and active transport passive diffusion - Answer️️ -NO ENERGY recquired. substance moves cells DOWN concentration gradient facilitated diffusion - Answer️️ -No energy required, but uses a protein carrier. Cells move DOWN concentration gradient Page 2 of 14 active transport - Answer️️ -Energy-requiring process that moves material across a cell membrane against a concentration difference Peristalsis - Answer️️ -Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system. GI tract - Answer️️ -A long hollow tube that consists of several layers of tissue that begin with the mouth and end with the anus. Mucosa - Answer️️ -The innermost layer of the digestive tract made of absorptive cells and glands (intestinal wall) Circular and longitudinal muscles - Answer️️ -Contract and relax to mix the chyme and enhance its contact with digestive juices and enterocytes. ATP - Answer️️ -(adenosine triphosphate) main energy source that cells use for most of their work What type of transport is Osmosis and Simple Diffusion? - Answer️️ -Passive transport Endocytosis - Answer️️ -process by which a cell takes material into the cell by infolding of the cell membrane What are the 6 sections of the GI tract? - Answer️️ -Mouth, esophagus, stomach, small intestine, large intestine, rectum What 4 organs are involved in digestions? - Answer️️ -Salivary