Unoxygenated blood would be found in which of the following…

Unoxygenated blood would be found in which of the following structures?                                     1.         Right atrium                                     2.         Aortic arch                                     3.         Pulmonary veins                                     4.         Inferior vena cava                                     5.         Pulmonary artery

Part 1: Short answer   Please answer each question in about…

Part 1: Short answer   Please answer each question in about three to five complete sentences. Do your best to explain your ideas clearly, and give examples when possible. Be sure that all answers are in your own words. Answers containing plagiarism will receive no credit.