Fill in the Blanks Body systemOnline version Body system by Aritz Gómez Ciluaga 1 carbon mouth atriums mouth dioxide intestine oxygen ventricles system circulatory waste nutrients stomach lungs nose We can difference the heart in four parts : left and right and left and right - We breathe in oxygen through the and the - The air goes down into the - We breathe in and breathe out . - As the previous systems , the organs which helps us to digest the food is called the digestive system . - The digestion starts in the - It goes down into our and . - The intestine separates the and the - The nutrients are passed to our body by the .
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