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Name: _________________________________ Class: ______ Date: ______________________ Sheep Heart Dissection Student Worksheet Label the diagram of the heart and use red and blue arrows to show the flow of blood: → Veins carry blood to the heart: deoxygenated blood (color blue) → Arteries carry blood away from the heart: oxygenated blood (color red) 1___________________________________ 2. __________________________________ 3. __________________________________ 4. __________________________________ 5. __________________________________ 6. __________________________________ 7. __________________________________ 8. __________________________________ 9. __________________________________ 10. _________________________________ 11. _________________________________ 12. _________________________________ 13. _________________________________ 14. _________________________________ 15. _________________________________ Analysis Questions: Use your book or research online. 1. How many chambers are found in the mammalian heart? List these chambers. 2. Which chambers are the pumping chambers of the heart? Name: _________________________________ Class: ______ Date: ______________________ 3. Which chambers are the receiving chambers of the heart? 4. Describe the action of the tricuspid valve when the ventricle is full. 5. Compare the structure of the tricuspid valve with that of the pulmonary valve. 6. How do the walls of the atria compare with the walls of the ventricles and why are they different? 7. What is the purpose of heart valves? 8. Name & compare the heart valves found between the upper & lower chambers of the right and left sides of the heart. Name: _________________________________ Class: ______ Date: ______________________ 9. Vessels that carry blood away from the heart are called _________________________, while ______________________ carry blood toward the heart. 10. Which artery is the largest and why? 11. The Left Pulmonary Artery can also be called your Left Coronary Artery. What would happen if this was blocked by a blood clot? 12. Using words, describe blood flow through the major blood vessels and heart, starting with deoxygenated blood that has been returned from the body. Brodnax