Respiratory System Reporters Kobra YuChu Sharon Muiling Weifeng Director Yelena Zimon Respiratory System • Function – breathe in oxygen, breathe out carbon dioxide – works with bloodstream to make energy • Composition – Nose – Throat – Trachea (windpipe) – Lungs – Bronchial tubes Respiratory System Lungs Trachea 1. Trachea/ Windpipe 2. Main bronchus (plural: bronchi) Alveolar sacs 5. Bronchiole (plural: bronchioles) 7. Alveolus (plural: alveoli) Alveoli Oxygen on the move Oxygen Carbon Dioxide Five Lobes of the Lung Lungs collapse • Pleural Cavity: a sac that holds your lungs together. • If the pleural cavity gets punctured and air gets inside the cavity, the lungs will collapse Breath • 20,000 breaths a day • Breath on a code day can produce water vapor • Sneeze at about 100 miles per hour • There is only two-thirds the amount of oxygen on the top of Mt. Everest as there is at sea level Breathless • Asthma • Reason – A tightening of the airway – The lungs get inflamed • Asthma medicines – Relax the areas of the lungs that are having the spasm – Reduce the inflammation Throat Inner Surface of Lungs Mucus Cilia Results of Smoking Resources • Animated respiratory system • How the Body Works : The Respiratory System • Respiratory system - Wikipedia End of Show Thank you!