Biologiia Dragomilov 8 Klass Stranitsa 100 Otvety (99% TOP-RATED)

: Understanding the sequence of organs: mouth, pharynx, esophagus, stomach, small intestine, and large intestine.

: How food is physically broken down (chewing) versus chemically transformed (enzymatic reactions). Typical Questions & Answers 1. What are the main functions of the digestive system? Mechanical processing : Grinding and mixing food. biologiia dragomilov 8 klass stranitsa 100 otvety

To remember how enzymes work, think of a . A specific enzyme (the key) will only fit into a specific nutrient molecule (the lock) to break it down. : Understanding the sequence of organs: mouth, pharynx,

: Three layers of smooth muscle that churn the food. Serosa : The outer protective covering. Study Tip: The "Enzyme-Substrate" Fit What are the main functions of the digestive system

: Contains glands that secrete gastric juice and protective mucus. Submucosa : Contains blood vessels and nerves.

: The role of the salivary glands, liver, and pancreas in secreting enzymes that break down food.