Emily+And+Amber's+Science





media type="custom" key="10346468" width="140" height="140"

media type="custom" key="10346772"

The Respiratory System supplys the blood with oxegen. When we breath we inhale oxegen and exhale carbon dioxide. Oxegen enters through the mouth and the nose. Then the oxegen passes through the larynx ( where speech sound is produces ) and trachea



# Every minute we breathe, we take in 13 pints of air! That is we breathe about 6.15 liters of air every minute. # We breathe about 9 to 20 times every minute. Through every breath, we breathe in about half a liter of air. # When the diaphragm expands, lungs are emptied of air and we exhale it outside. # When the diaphragm expands, lungs are emptied of air and we exhale it outside. # We exhale about half a liter of water vapor in a whole day.



respiratory system video about the repiratory system