<p> Name ______Class ______Date ______</p><p>Study Guide – HBS Lessons 10, 11, 14, 15, & 16 Respiration and Circulation</p><p>1. Describe the steps involved inhalation and exhalation.</p><p>______</p><p>2. Trace a molecule of oxygen from the air we breathe to our bloodstream. ______</p><p>3. Analyze a model of breathing and list its strengths and limitations.</p><p>______</p><p>4. Explain the difference between total lung capacity, vital capacity, and residual volume.</p><p>______5. Describe the difference between arteries, veins, and capillaries.</p><p>______6. Explain the function of valves in the circulatory system. Where are they likely to be found?</p><p>______</p><p>7. Explain why the heart can be called a double pump.</p><p>______</p><p>8. Name the two most important things the blood carries to the body cells and the waste gases that blood carries away from these cells.</p><p>______9. Trace the path of blood through the heart to the body and lungs and back again. </p><p>______</p><p>10. Analyze a model of the circulatory system and list its strengths and limitations.</p><p>______</p><p>11. List at least five factors that could affect a person’s heart rate. Tell whether each factor would be more likely to raise or lower heart rate and why.</p><p>______</p><p>12. Explain how the respiratory and circulatory systems adjust to meet the demands of the body under different conditions, such as exercising or carrying a heavy weight.</p><p>______13. List the four main components of blood and the major function of each component.</p><p>______</p><p>14. Explain what blood pressure is and list at least four factors that can influence it. </p><p>______</p><p>15. Explain how the digestive, respiratory and circulatory systems help one another do their jobs.</p><p>______</p>