Circulatory System  Cardiovascular System = Heart, blood vessels, and blood -Transports H2O, nutrients, waste, O2, CO2, hormones, and immune cells. -Regulates heat, pH, and.

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Transcript Circulatory System  Cardiovascular System = Heart, blood vessels, and blood -Transports H2O, nutrients, waste, O2, CO2, hormones, and immune cells. -Regulates heat, pH, and.