Escola E

Cincias da Natureza Sistema Circulatrio Humano 6. ano

Nome:____________________________________________________________Data: __________

1. Indica os constituintes do sangue.

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2. Que tipo de sangue circula na parte esquerda do corao? E na parte direita?

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3. Em que sentido circula o sangue no corao?

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4. Por que que o sangue no retrocede dos ventrculos para as aurculas?

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5. Que vasos ligam as artrias s veias?

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Bom trabalho!