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Red blood cells (RBCs) are composed of Heme gro
cells (RBCs) are composed of Heme groups, Globulin protein groups, and an Iron
the middle of the heme group. This allows the transport and exchange of
a. Carbon Dioxide and nitrogen
b. Oxygen and Nitrogen
Oxygen and carbon dioxide
d. Carbon Dioxide and Hydrogen

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umerpharmacist97

Answer:

C. Oxygen and Carbon dioxide

Explanation:

Hemoglobin helps to transport oxygen from lungs to cells and carbon dioxide from cells to lungs. However, it's not the only way to transport these gases.

Each hemoglobin contain four subunits and binds four oxygen molecules and RBC turn into bright red. Carbon dioxide attached to hemoglobin is called as carbaminohemoglobin , this binding is reversible and the carbon disassociates itself from hemoglobin in lungs to escape into the air via alveoli.

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