1. By : Justin L. Sunga

2. What is the Respiratory system ? it lets us breathe. we breath oxygen, because we need oxygen in our work is that blood. we breathe in oxygen and then we breathe out what our body doesn’t need basically this whole process is an exchange of gases.

3. Alveolus atiny sac use for holding air in the lungs. squashes the oxygen molecules so they diffuse from the alveolus into the capillary

4. Diaphragm main muscle of respiration controls the flow of air into the lung

5. Lung essential respiration organ in all air-breathing animals

6. Larynx the place where moving air creates voice sounds

7. Trachea windpipe is the passage for the pharynx to the lungs a common biological term for an airway through which respiratory air transports

8. Bronchus the tube that connects the trachea with the lungs each bronchiole ends in a cluster of air sacs called alveoli.

9. Bronchioles a tube in the lungs branching off from the bronchus. the smallest unit of trachea and helps in taking fresh air to lungs alveoli and taking co2

10. Bibliography Information : http://en.wikipedia.org/wiki/Respiratory_system http://42explore.com/respsyst.htm http://library.thinkquest.org/5777/resp1.htm http://www.e- learningforkids.org/Courses/Liquid_Animation/Body_Parts/Respiratory_System/index.html http://www.e- learningforkids.org/Courses/Liquid_Animation/Body_Parts/Respiratory_System/index.html http://www.neok12.com/Respiratory-System.htm Picture : http://www.daviddarling.info/encyclopedia/A/alveolus.html http://www.umm.edu/graphics/images/en/19380.jpg http://stopsmokingnow.org.uk/wp-content/uploads/2009/02/lungs.gif http://www.intelihealth.com/i/L/Larynx.gif http://www.pennmedicine.org/health_info/images/19379.jpg http://www.naturalhealthschool.com/img/trachea.gif http://www.riversideonline.com/source/images/image_popup/r7_bronchioles.jpg http://www.daviddarling.info/encyclopedia/A/alveolus.html