<p> The Heart: An Online Exploration</p><p>Use the Internet to find the answers to the following:</p><p>1. How does the heart change as it develops in a fetus?</p><p>2. What is the largest vessel that is attached to the heart, and what does it do?</p><p>3. What is pulmonary circulation?</p><p>4. The sound you here when you listen to your heart with a stethoscope is actually what?</p><p>5. Distinguish between systole and diastole phases of the heart.</p><p>6. Distinguish between an artery and a vein.</p><p>7. What is a sphygmomanometer?</p><p>8. How is hypertension treated?</p><p>9. Name 3 risk factors for hypertension.</p><p>10. What is arthrosclerosis? 11. What is electrocardiography?</p><p>12. Describe how angioplasty works?</p><p>13. Why are artificial hearts not an option for permanent replacement of a bad heart?</p><p>14. Name two symptoms of a heart attack?</p><p>15. Distinguish between platelets and plasma.</p>