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Unit 13 circulatory system
- 5. Superior Vena Cava Large vein that brings oxygen-poor blood from the upper part of the body to the right atrium Aorta Brings oxygen-rich blood from the left ventricle to the rest of the body Pulmonary Arteries Bring oxygen-poor blood to the lungs Pulmonary Veins Bring oxygen-rich blood from each of the lungs to the left atrium Pulmonary Valve Prevents blood from flowing back into the right ventricle after it has entered the pulmonary artery Right Atrium Tricuspid Valve Prevents blood from flowing back into the right atrium after it has entered the right ventricle Inferior Vena Cava Vein that brings oxygen-poor blood from the lower part of the body to the right atrium Right Ventricle Septum Left Ventricle Mitral Valve Prevents blood from flowing back into the left atrium after it has entered the left ventricle Aortic Valve Prevents blood from flowing back into the left ventricle after it has entered the aorta Left Atrium Question: What is the advantage of a 4-chambered heart?
- 22. White Blood Cells Cell Type Neutrophils Eosinophils Basophils Monocytes Lymphocytes Function Engulf and destroy small bacteria and foreign substances Attack parasites; limit inflammation associated with allergic reactions Release histamines that cause inflammation; release anticoagulants, which prevent blood clots Give rise to leukocytes that engulf and destroy large bacteria and substances Some destroy foreign cells by causing their membranes to rupture; some develop into cells that produce antibodies, which target specific foreign substances
- 25. V. Blood Types *AB = universal recipient (can receive all blood types) * O = universal donor (can donate to all blood types) Blood Type Antigens on RBC’s Antibodies in Plasma Can Receive Blood From… Can Donate To… A A Anti-B O and A A and AB B B Anti-A O and B B and AB AB AB None A, B, AB and O AB O none Anti-A & Anti-B O A, B, AB, and O
- 26. Blood Type of Donor A B AB O Blood Type of Recipient A B AB O Unsuccessful transfusion Successful transfusion