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  • 1. Functions • Breathing is the movement of air in and out of the lungs. • Takes in oxygen, which is important for every cell to perform to perform cellular respiration • Eliminates carbon dioxide and other gases so cells can function.
  • 2. Major Parts/Organs • The major organs are the pharynx, larynx, trachea, bronchi, lungs, alveoli, and the diaphragm.
  • 3. Interactions with other systems • The respiratory system interacts with the circulatory system by providing oxygen to the blood cells. • It also interacts with the muscular system because muscles pull and push air in and out of the lungs.
  • 4. Role In Maintaining Homeostasis The respiratory system bring oxygen to body cells and removes carbon dioxide from the body
  • 5. Health/Diseases Colds/Flu Bronchitis Pneumonia Emphysema Asthma Lung Cancer Caused by viruses Caused by viruses and bacteria Caused by viruses and bacteria Caused by smoking Caused by smoking Symptoms Symptoms Symptoms Symptoms Caused by dust, smoke, pollen, pollution Symptoms •Difficult breathing •Coughing •Difficult breathing •Coughing •Congestion •Coughing •Runny nose •Fatigue •Fatigue •Watery eyes •Loss of appetite •Weight loss Symptoms •Difficult breathing •Chest pain
  • 6. FAQs 1. What is the main role of the respiratory system? 2. How do you maintain healthy lungs? 3. How many alveoli are in your lungs? 4. What is bronchitis? 5. How big are your lungs?
  • 7. FAQs Answers 1. To help you breathe, meaning taking in oxygen and releasing carbon dioxide. 2. Don’t smoke, exercise, and watch out for air pollution. 3. There are 300 to 500 million alveoli. 4. Bronchitis is a diseases in you bronchi that makes breathing harder. 5. The size of the lungs vary depending on size of the person, lung capacity, and gender of the person.