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The cardiovascular system is one of the key components to living human beings. Every cell interacts with the cardiovascular system millions of times a day.
In addition to carrying oxygen to the cell and carbon dioxide away, the circulatory system provided, water, nutrients, energy, hormonal signals, and carries away waste. If the cardiovascular system fails to work, the consequences are rapid. Within just one minute, brain cells begin to die without a proper supply of oxygen. |
