1. The Respiratory System By: AnabelleSalonga

2. How it works provides oxygen to body air enters mouth or nose goes down trachea to lungs divided to alveoli oxygen and carbon dioxide exchange

3. Larynx small area near mouth contains vocal chords creates sound

4. Trachea also known as windpipe passage way for air leads from mouth to lungs

5. Lungs main organ red blood cells get oxygen red blood cells release carbon dioxide

6. Bronchi left and right air tubes divides at bottom of trachea goes into lungs

7. Bronchioles small air tubes branch out from two bronchi

8. Alveoli millions of air sacs end of bronchioles gas exchange takes place

9. Diaphragm muscle below lungs moves down to breathe in moves up to breathe out

10. Bibliography Sites: http://hes.ucfsd.org/gclaypo/repiratorysys.html#Parts%20of%20the%20respiratory%20system http://www.biology4kids.com/files/systems_respiratory.html http://www.nhlbi.nih.gov/health/dci/Diseases/hlw/hlw_respsys.html http://kidshealth.org/kid/htbw/lungs.html# http://www.fi.edu/learn/heart/systems/respiration.html http://www.lung.ca/children/grades7_12/respiratory/respiratory_system.html Pictures: http://www.daviddarling.info/encyclopedia/L/larynx.html Larynx http://www.hunterian.gla.ac.uk/archive/Students.old/collections/anatomy/students_projects/trachea/trachea2.shtmlTrachea http://kidshealth.org/kid/htbw/lungs.html# lungs http://www.hyperbaric-oxygen-info.com/respiratory-system-diagram.html Bronchus http://leavingbio.net/Respiratory%20System/THE%20RESPIRATORY%20SYSTEM.htm Bronchioles http://www.ambulancetechnicianstudy.co.uk/respsystem.htmlAveoli http://www.newbedford.k12.ma.us/srhigh/oliveira/curtandal2.htmlDiaphragm http://www.emc.maricopa.edu/faculty/farabee/biobk/biobookrespsys.html Respiratory system