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DE Science Elementary

DE Science Elementary

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DE Science Elementary

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  1. DE Science Elementary “5-Minute Prep” ForHuman BodySystems of the Body Respiratory

  2. Respiratory System – The Big Ideas • The respiratory system brings oxygen into the body and takes out carbon dioxide. • Air enters the body and waste gases exit the body through the nose, throat, and trachea. • When the diaphragm expands, the lungs expand and take in air. When the diaphragm contracts, the lungs release air. • The lungs expand and contract without us thinking about it. • The lungs are made of spongy tissue with a large surface area to increase contact with the air.

  3. Respiratory System – Prior Knowledge Students will have knowledge of some systems of the body prior to this study. It will be helpful for students to use the Fun-damental to review the Respiratory System. It will also help if they are able to: • Explain that the body is made up of systems. • Identify the parts of the cardiovascular system.

  4. Respiratory System – Common Misconceptions • The only gas we breathe out is carbon dioxide. Reality: We breathe out water as a gas in addition to carbon dioxide. • Air travels to the body like blood in air vessels. Reality: Air does not travel throughout the body in air vessels. Oxygen travels throughout the body in blood vessels.

  5. Respiratory System – Using DE Science Content When you close this presentation, you can review the following recommended resources for the Respiratory System. • Reading Passage: A Breath of Fresh Air • Reading Passage: Lungs: Catchin’ Air • eBooks: Take a Breather • Video Segment: Breathing Use the PowerPoint version of this presentation for hyperlinks to these resources or you can get to them through the browser or search feature.

  6. Respiratory System – Instructional Ideas • Create a K-W-L chart about breathing. • First, ask, “What do you know about breathing?” • Then ask, “What do you want to know about breathing?” • List responses to both questions on a wall chart. • Then read the reading passages, A Breath of Fresh Air, Lungs: Catchin’ Air, and Take a Breather. • Ask, “What have you learned about breathing?”, and record responses on the wall chart. • Watch the Video Segment, Breathing. • Then, ask students to use books in your school’s library to find out how different animals breathe. • Ask students to create a chart of similarities and differences comparing their findings with human respiration. • Suggestions of animals to research include: fish, birds, mammals, reptiles and amphibians.

  7. State standards: If you wish to review your state standards regarding the Respiratory System, click here to get to the curriculum standards search feature of DES. You can click on any standard to see what resources are available to teach it. Additional Information: For additional content, check the Extend section within the concept.