430 chapter 16 cardiovascular and respiratory systems

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430 Chapter 16 Cardiovascular and Respiratory Systems Seeing the Effects of Smoking glass jar with a lid one cup of dark brown corn syrup packaging tape poster board and markers 1. Pour the cup of corn syrup into the jar, put on the lid, and secure it with packaging tape to prevent leaks. 2. Examine the contents of the jar. The liquid represents the amount of tar that gets into a smoker’s lungs during a single year of smoking one pack of cigarettes each day. 3. Discuss your response to this activity with the class. Are you surprised by the amount of “tar” in the jar? How do you think this affects a smoker’s health? 4. Create a poster that highlights the dangers of tar, a substance that can cause cancer. Write a convincing statement about why teens should avoid tobacco. Present your information in a clear, concise manner. Present this activity and your poster to a class of younger students. Is it effective in persuading others to avoid tobacco? Why or why not? What You’ll Need What You’ll Do Apply and Conclude H iccups occur as a result of the diaphragm contracting in a spasm, quickly followed by the closure of the vocal cords. This sudden closure produces the unmistakable sound of a hiccup.
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Applying Health Skills Advocacy. Tobacco use is associated with several types of cancer that occur in the upper respiratory system, most notably the throat. Research the effects of tobacco use on the structures of the upper respiratory system. Use what you learn to produce an educational pamphlet. Reviewing Facts and Vocabulary 1. What is the function of the respiratory system? 2. Explain the relationships among the trachea, the pharynx, and the larynx. 3. What role does the diaphragm play in respiration? Thinking Critically 4. Evaluating. Explain the relationship between oxygen and carbon dioxide in the respiration process. 5. Analyzing. Demonstrate knowledge about personal and family health concerns related to respiratory system functions. Explain why it is important that the lungs are elastic. W O R D P R O C E S S I N G Word processing can give your pamphlet a professional look. See health.glencoe.com for tips on how to get the most out of your word-processing program. Lesson 3 The Respiratory System 431 In addition to being filtered, air is warmed and moistened as it moves through the nasal passages. Air continues through the respi- ratory system to the , or throat, and into the , or windpipe, which is located in front of the esophagus. Like the nasal passages, the tissue that lines the trachea is covered with mucus and cilia to trap particles and prevent them from going deeper into the respiratory system. As the trachea reaches the lungs, it branches into two tubes called the airways that connect the trachea and the lungs.
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