IF YOU LOVE WRITING, YOU CAN TRY THIS AT HOME.

WHY DO WE NEED A RESPIRATORY SYSTEM?

Our respiratory system carries oxygene from the air to our blood. It is  made up of the nose, the windpipe and the lungs.

1 comentario:

  1. Unknown1 de noviembre de 2013, 8:32

    Hello
    We are trying it right now! And then we are going to play the vegetables play. :) (...so we are trying "English day" at home)
    Alonso

    ResponderEliminar

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