The blood<span>, which is now low in oxygen, is now collected in veins and travels to the right atrium and into the right ventricle. Now pulmonary circulation starts: The right ventricle pumps </span>blood<span> that carries little oxygen into the pulmonary artery, which branches off into smaller and smaller arteries and capillaries.
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RRNA is used to create a ribosome where translation occurs. So,more rRNA mean more translated proteins. But the cell need one Copy of DNA that contain the whole number of genes that the cell need to live or to make mRNA to make proteins.
I've looked us up ever since you posted it the only thing I can come up with is letter A because it talks a lot about Mountain chains that talks a lot about the ocean floor and the Hawaiian stuff so try a
