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The blood returning to the heart …

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The blood returning to the heart From lungs via pulmonary vein has more 1.RBC per ML of blood 2.hemoglobin per ML of blood 3.oxygen per ML of blood 4.nutrient per ML of blood
  • 3 answers

Himanshu Singh 5 years, 4 months ago

Thanks

Anupama ?? 5 years, 4 months ago

3

Yogita Ingle 5 years, 4 months ago

3.oxygen per ML of blood is correct answer.

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