martes, 19 de enero de 2021

El aparato respiratorio: CC NATURALES 4º PRIMARIA.

 El aparato respiratorio: Happy learning.

https://www.youtube.com/watch?v=tMLFFKof29o

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 El aparato respiratorio: Smile and learn.

https://www.youtube.com/watch?v=Wq_bPoRTn7I

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El aparato Circulatorio: Eduteca.