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19-02-2016
Biology

contestada

Which component of your blood do inhalant vapors replace?
a. iron
b. oxygen
c. nitrogen
d. red blood cells

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taskmasters taskmasters

22-02-2016

b. oxygen

Red blood cells or RBCs carry oxygen, are the most numerous cells (36 - 50%) in the blood and they are made in the bone marrow. The life span of RBCs is 120 days or 4 months approximately.

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