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Life Science

Life Science. Unit Overview: Chapter 1 – Structure of Living Things Lesson 1 – Cells Lesson 2 – From Cells to Organisms Lesson 3 – Diversity of Organisms Chapter 2 – Plant Structures and Functions Lesson 1 – Vascular Plants Lesson 2 – Plant Transport Systems

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Life Science

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  1. Life Science Unit Overview: Chapter 1 – Structure of Living Things Lesson 1 – Cells Lesson 2 – From Cells to Organisms Lesson 3 – Diversity of Organisms Chapter 2 – Plant Structures and Functions Lesson 1 – Vascular Plants Lesson 2 – Plant Transport Systems Lesson 3 – Photosynthesis and Respiration Chapter 3 – Human Body Systems Lesson 1 – The Human Body Lesson 2 – The Digestive System Lesson 3 The Respiratory System Lesson 4 – The Circulatory System Lesson 5 – The Excretory System

  2. The Digestive System Lesson Overview: 1) What do we already know? (The Human Body) 2) Vocabulary 3) Drawings 4) Main Ideas 5) Review Human Body Systems: Lesson 2

  3. Page 1 The Digestive System: What do we already know?BrainPOP Teaser What would happen to the human body if one of the organ systems stopped working? All other body systems would be affected. Eventually you would die. 2) What does your circulatory system transport? Oxygen and carbon dioxide Nutrients from your digestive system. Human Body Systems: Lesson 2

  4. Page 2 The Digestive System: Vocabulary Part I 1) digestion: the process of breaking down food into smaller, simpler substances. 2) saliva: a liquid in the mouth that helps soften food. 3) pharynx: part of the throat that connects the mouth to the digestive tube (esophagus). 4) esophagus: a long muscular tube that leads to the stomach. Human Body Systems: Lesson 2

  5. Page 3 The Digestive System: Vocabulary Part II 5)stomach: The main digestive organ in most animals. 6) Small intestine: coiled tube/organ that is connected to the stomach, is where most of your bodies nutrients is absorbed. 7) Villi: small hair like structures that stick out from the intestines walls (they help increase absorption of nutrients). 8) Large intestine:A thick tube/organ that removes waste from your body (poop). Human Body Systems: Lesson 2

  6. Page 4 The Digestive System: Drawings(pg. 123) Human Body Systems: Lesson 2

  7. Page 5 The Digestive System: Drawings(pg. 124) Human Body Systems: Lesson 2

  8. Page 6 The Digestive System: Drawings(pg. 128) Human Body Systems: Lesson 2

  9. Page 7 The Digestive System: Main Ideas What is digestion? (pg. 122-123) a) The breaking down of food into smaller, simpler substances. Quick Check (pg. 123) -Critical Thinking: Are solids or liquids easier to digest? a) Liquids, because they are easier to break down and absorb. Human Body Systems: Lesson 2

  10. Page 8 The Digestive System: Main Ideas 2) Where does digestion begin? (pg. 124) a) The mouth, which includes the teeth, salivary glands and saliva. Quick Check (pg. 125) -Sequence: What happens after you swallow a) The food travels down the esophagus, then it goes into the stomach, where it is digested, then it travels into the small intestine, where nutrients is absorbed, then it moves into the large intestine where it is then stored and eliminated. Human Body Systems: Lesson 2

  11. Page 9 The Digestive System: Main Ideas 3) How is food broken down further? (pg. 126) a) Stomach acid digests food into smaller parts.I Quick Check (pg. 127) -Sequence: What happens to the nutrients right before they leave the small intestine? a) It is absorbed through the villi into the circulatory system. Human Body Systems: Lesson 2

  12. Page 10 The Digestive System: Review Summarize the main ideas Click to Watch! Think, Talk, and Write Human Body Systems: Lesson 2

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