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The human digestive system is approximately 900 cm long. Food is moved through the digestive tract primarily by
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The human digestive system is approximately 900 cm long. Food is moved through the digestive tract primarily by

User Jlvaquero
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El tubo digestivo mide aproximadamente once metros de longitud, se inicia en la cavidad bucal y terminan en el ano.En la boca empieza propiamente la digestión, los dientes trituran los alimentos y las secreciones de las glándulas salivales los humedecen e inician su descomposición química transformándose en el bolo alimenticio.

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User Alka Pandey
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