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Name __________________________ Wednesday, 11-16-16 Packet # 2 - 11 7th Science - ________ AIM: Define and describe the function of the respiratory system. Quote of the Day: “You must never be fearful about what you are doing when it is right.” - Rosa Parks Do Now – answer questions 1 and 2 during/after the video Discovery Education Video, 1:58 – The Respiratory System 1. The nasal cavity is lined with mucous membranes and small hairs to ______________________________________________ air. 2. What happens when exhaled air vibrates the vocal chords? ______________________________________________ PPT - Take notes in the spaces provided while discussing the PowerPoint To burn food for the release of energy stored in it, _____________ must be supplied to cells, and carbon dioxide removed. Nose/mouth: _____________ through these _____________: connected to your mouth/nasal cavity _____________: air travels down this from your pharynx to your lungs when you take a breath Lungs: ____________ as air is added; ____________ as air is released through breathing _________________: muscle beneath lungs that moves down when you take a breath 1 Video – Travel of air through the respiratory system, 2:09 Take notes in the spaces provided while the video plays. Gas exchange is the ______________________ from the lungs to the bloodstream and the ________________________________from the bloodstream to the lungs. Oxygen molecules attach to ___________________which travel back to the heart. At the same time, _________________________ are blown out of the body with the next exhalation. TERM BANK INDEPENDENT PRACTICE PART 1: Fill-in-the-blank Homeostasis Respiratory Lungs Diaphragm Blood Trachea Mouth Oxygen 1. The _________________ system’s responsibility is to supply the body’s cells with _____________________ and remove carbon dioxide. 2. The ________________ is the muscle beneath lungs that moves down when you take a breath. 3. All the body’s organs systems work together to ensure you are alive and well in a process known as homeostasis. 4. Oxygen and carbon dioxide is exchanged between the air in the lungs and the _____________________ in order for oxygen to be carried throughout the body. 5. The _______________ is the entrance point of air into the body. 6. _______________ take in oxygen for the combustion of food and eliminate the carbon dioxide produced. 7. The _________________ is the tube air travels down this from your pharynx to your lungs when you take a breath. PART 2: True/False. For each statement that is false, RE-WRITE THE ENTIRE STATEMENT so that it is true. 2 8. ________Your body needs carbon dioxide to turn the food you eat into energy! 9. ________ Carbon dioxide from throughout the body is transported by the blood into the lungs, where it is exhaled. 10. _________The lungs expand as air is added & retract as air is released through breathing 11. __________Your body must remove carbon dioxide which is a dangerous gas that is produced. PART 3: Fill in the blanks in the image of the respiratory system below. WORDS: diaphragm, lungs, mouth, trachea, nose PART 4: Multiple-choice. Use MCS to answer the following choices. 12. Which of the following takes place in the lungs? a. Food is digested b. Gas exchange c. Waste material is filtered from the blood d. Food is stored 3 Exit Ticket 1. Describe the flow of oxygen into the body in complete sentences using the following terms: lungs, pharynx, mouth/noise, trachea, diaphragm, alveoli/capillaries 2. How do the respiratory and circulatory systems work together? 3. Why does our body need oxygen? 4. What toxic gas does our respiratory system remove from the body? 5. Label the diagram of the respiratory system with the following terms: lungs, pharynx, mouth/noise, trachea, diaphragm, alveoli/capillaries 4