As we know we can divide circulation into two parts, one that goes from the heart to the lungs that transport deoxygenated blood to the lungs where is oxygenated and sent back to the heart, the other part of circulation move blood between the heart and the rest of the body sending oxygenated blood into the cells and collecting deoxygenated blood to the heart. Therefore the blanks go as follows pulmonary circulation and then systemic circulation.
