Cardiovascular and Respiratory Systems Study Guide 1. What is the cardiovascular system? 2. What are the three main functions of the cardiovascular system? Briefly explain each function. 3. Name the four chambers of the heart. 4. Describe the flow of blood through the heart. Be sure to include the names of the chambers in your description. 5. Describe the two loops of blood flow through the body. 6. Explain the difference between an artery and a vein. 7. What causes blood pressure? 8. What are the names of the major arteries and veins going into and out of the heart. 9. What is the difference between respiration and breathing? 10. Define larynx, trachea, bronchi, alveoli, and diaphragm. 11. Where does the exchange of oxygen and carbon dioxide take place in your body? 12. How does your diaphragm help you breathe? 13. What is the main function of the respiratory system? 14. Describe the epiglottis. 15. What substances are produced during respiration? 16. Where are the vocal cords located? 17. During gas exchange, what substance moves from the alveoli into the blood? What moves from the blood into the alveoli? 18. Describe diffusion. 19. Where does diffusion take place during breathing and respiration? 20. Describe the actions of the diaphragm during inhalation and exhalation. 21. Draw and label the primary respiratory organs. 22. How are photosynthesis and respiration related? 23. What surrounds each alveolus? 24. What is the function of the atria? The ventricles? 25. What are the 4 components of blood and what is the function of each?