Systemic circulation which is the movement of blood through tissues of the heart carries oxygenated blood from left ventricle through arteries.
Systemic circulation moves blood between the heart and rest of body . It send oxygenated blood out to cells and return the degenerated blood to the heart.
Heart is the only organ in circulatory system organs . blood goes from heart to lung to get oxygen. lungs are the part of the respiratory system. Heart pumps oxygenated blood through artiest to the body. Systemic provide the functional blood supply to all body tissue. Oxygen locks into molecule called hemoglobin in red blood cells.
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Treating a city's water supply to remove any bacteria and impurities as clean and hygenic water supplies benefits the public/society.
It has to be ongoing for SIX MONTHS OR LONGER to be chronic. some can be diagnosed within 12 weeks if it continueswith medication use
Well I'm not sure if I'm right but I believe that the answer is A
