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Hemoglobin is the main constituent of red blood cells, and as such, it belongs to the circulatory system.

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Trisha Bode

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2y ago
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11y ago

HBA : hemoglobin alpha 1 protein class .means two alpha and two beta chains of hemoglobin belongs to alpha protein class.

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12y ago

The circulatary system

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Q: What system does the blood stream belong to?
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