Oceans comprises about 70% of the biosphere(world). It is collectively called the hydrosphere.
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The aorta is the main artery of the body which makes sense why it would be thicker than the other vessels in the human body. The aorta is of vital importance because it is responsible for distributing oxygenated blood to all parts of the body.
Mitosis results in two diploid cells
meiosis results in four haploid cells
