Answer:
Cancer can ruin the lungs and cause death of lung tissue. If a lung is ruined, running would be out the picture and you would have enough oxygen to provide for your cells during exercise
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Number one is B also number 2 is also B because I did it before
The result of mitosis in a unicellular organism is: In unicellular organisms<span> such as bacteria, </span>mitosis<span> is a type of reproduction, making copies of a single cell.</span>
