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Red blood cells quickly carry oxygen to all parts of the body. What characteristics of red blood cells help them perform their function?

A.color and feel
B.shape and size
C.texture and tint
D.population and size

User Tajinder
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1 Answer

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Red blood cells get their bright red color from a protein that allows them to carry oxygen from your lungs and deliver it to other tissues in your body (hemoglobin)
User Artur Hefczyc
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