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Respiratory System

Respiratory System. What to think about…. What is the function of the respiratory system? What are the parts of the respiratory system? What are the functions of the different parts of the respiratory system?. What are the 3 things most necessary for life? (in order). Oxygen. Water. Food.

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Respiratory System

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  1. Respiratory System

  2. What to think about…. • What is the function of the respiratory system? • What are the parts of the respiratory system? • What are the functions of the different parts of the respiratory system?

  3. What are the 3 things most necessary for life? (in order) Oxygen Water Food

  4. How do our bodies get fuel? Eat Food • Where is this fuel burned for energy? Cells engines Cells are the of the human body.

  5. Burning fuel in the human body requires oxygen • Cells produce waste products like CO 2 What would happen if CO2 was allowed to build up inside of our bodies? poison us

  6. What does respiration do? • It obtains the oxygen our bodies need and gets rid of the carbon dioxide so that it does not build up in our bodies and poison us.

  7. What things require respiration? all living things • Respiration is what is required in order for living things to produce energy

  8. Why can’t human cells get oxygen the way an amoeba does? • Because most of human cells are not in direct contact with the outside environment. O2 has to be brought to the cells and CO2 taken away.

  9. What do we call all the parts of the body that work together to accomplish this goal? What are some of the main parts of the respiratory system? Respiratory System Trachea nose Lungs Bronchi Mouth

  10. Parts of the Respiratory System The entrance that moistens and warms air as it enters the body. nose Inside the nose is that clean the air. cilia & mucous

  11. the chamber behind the nose and mouth that leads to the esophagus and trachea. Pharynx

  12. carries air to the lungs and is protected by a flap of tissue called the epiglottis. Trachea

  13. Also called the voice box, it has 2 folds of tissue that vibrate to make sound. Larynx

  14. The trachea divides into 2 main tubes of the lungs called the bronchial tubes or bronchi. Bronchi

  15. are the air sacs located at the end of the tubes in the lungs that look like grapes. Alveoli What surrounds the alveoli? capillaries

  16. What takes place between the capillaries and the alveoli? • The red blood cells in the capillaries exchange their CO2 for the O2 in the alveoli.

  17. What is the muscle responsible for breathing? Diaphragm • When you are breathing in the diaphragm is getting smaller by contracting When you breathe out the diaphragm is relaxing

  18. 1. What is the name of the muscle responsible for your breathing? • A. lungs • B. diaphragm • C. heart • D. trachea

  19. 2. What are the small air sacs that allows oxygen to be transferred into the blood and CO2 out? • A. Alveoli • B. Lungs • C. Cilia • D. Larynx

  20. 3. What is the most important thing necessary for the human body? • A. Food • B. Water • C. Shelter • D. Oxygen

  21. 4. What is the process by which our bodies exchange gases with the environment? • A. respiration • B. production • C. alveoli • D. diaphragm

  22. 5. What part of the body warms and cleans air? • A. Trachea • B. Larynx • C. Pharynx • D. Nose

  23. 6. What is the tube that carries air and breaks into 2 smaller tubes called bronchi? • A. Esophagus • B. Larynx • C. Pharynx • D. Trachea

  24. 7. What is the flap of tissue that stops food from going down your airway? • A. pharynx • B. larynx • C. epiglottis • D. bronchi

  25. 8. What is the tissue that vibrates to create sound in your airway? • A. larynx • B. pharynx • C. epiglottis • D. bronchi

  26. 9. What are the small hairs that help clean the air that enters your body? • A. mucous • B. cilia • C. larynx • D. pharynx

  27. 10. What is the passage way that connects your trachea and esophagus? (throat) • A. Larynx • B. Pharynx • C. Epiglottis • D. Bronchi

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