Mostrando entradas con la etiqueta The circulatory system. Mostrar todas las entradas
Mostrando entradas con la etiqueta The circulatory system. Mostrar todas las entradas
jueves, 21 de febrero de 2019
The circulatory system
1:46
4th Grade, Natural Science, The circulatory system, Unit 5. Respiration circulation and excretion
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Hello everybody.
On this PowerPoint of Natural Science, we´ll learn:
How Circulatory System is formed.
Blood and Blood Vessels.
The Heart.
How blood flows.
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