CHAPTER 37 – THE CIRCULATORY AND RESPIRATORY SYSTEMS

– The flow of blood from the . right side of the heart. to the . lungs. and back to the heart. Pulmonary arteries. carry . O2 poor. blood from the . heart to the lungs; pulmonary veins. carry . O2 rich. blood from the . lungs to the heart. 3. Coronary – since the heart is a major organ, it needs its . own supply of O2 rich blood. This is ... ................
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