Sophia - Human Biology - Unit 5 Challenge 4

1 — Digestion Identify the parts of the digestive system and the roles they play. Which part of the digestive system stores food to mechanically and chemically break it down? • a.) Stomach • b.) Large intestine • c.) Small intestine • d.) Esophagus 2 — The Alimentary Canal Identify the parts of the alimentary canal and the roles they play. The alimentary canal is another name for what? • a.) The esophagus • b.) The small intestine • c.) The whole digestive tract • d.) The space inside the ribcage 3 — Chewing and Swallowing Determine the elements of chewing and swallowing and their roles in digestion. Which of the following helps with the chemical digestion of food before it reaches the stomach? • a.) Saliva • b.) Teeth • c.) Bolus • d.) Chyme 4 — Stomach Understand the stomach and the role it plays in digestion. What is chyme? • a.) Rhythmic contractions of the stomach that play a role in mechanical digestion • b.) An enzyme in the gastric juices that helps with the chemical digestion of food in the stomach • c.) The paste-like mixture of partially digested food and gastric juices that enters the small intestine from the stomach • d.) The ball of chewed food that enters the stomach from the esophagus 5 — Small Intestine Identify the parts of the small intestine. Which sequence represents the proper order from largest to smallest? • a.) Mucosa, intestinal folds, microvilli • b.) Microvilli, intestinal folds, mucosa • c.) Intestinal folds, mucosa, microvilli • d.) Microvilli, intestinal folds, mucosa 6 — Pancreas, Gallbladder, & Liver Identify the pancreas, gallbladder, and liver based on their roles in the body. Which organ releases bile into the small intestine? • a.) All three • b.) Pancreas • c.) Liver