Answer: machinery and equipment developed from the application of scientific knowledge.
Answer:
They carry blood which is low in oxygen and high in carbon dioxide into your lungs so that the carbon dioxide can be blown off, and more oxygen can be absorbed into the bloodstream. it is pumped all around your body to supply oxygen to cells and organs.
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Both answers are d, all of those things can affect the outcome of cell division, and the cell cycle is what we call this sequence of events.
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