Circulatory and Respiratory System Study Guide Circulatory System 1. 2. 3. 4. What is homeostasis? What are the two big jobs of the circulatory system? What are the three other jobs of the circulatory system? What type of muscle is the heart made up of? Blood vessels? Describe the difference in appearance. 5. Why do kids get red in the face when they have been running around? 6. Describe how the three blood vessels relate. 7. How does blood circulate around the body? 8. What artery carries unoxygenated blood? 9. What vein carries oxygenated blood? 10. Why do veins have valves? 11. Where would you find the largest arteries and veins? 12. How can food water, and oxygen pass from the blood vessels into the body? 13. What does blood pressure measure? Systolic vs. Diastolic? 14. Explain the difference between blood pressure and heart rate. 15. How does exercise affect heart rate? How do you know? 16. How much blood is in an adult? (gallons) 17. List the components of blood, and describe their importance in the human body. 18. What is the role of hemoglobin? What type of macromolecule is it? 19. What is fibrin? What type of macromolecule is it? 20. Red blood cells carry what two molecules? Respiratory System 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. What element do you need to be able to clot your blood? What are the two jobs of the respiratory system? What are the major parts of the respiratory system? What are the three jobs done by the blood vessels, cilia, and mucus in your nasal cavity? Why is it better to breath through your nose instead of your mouth? Why does your trachea need to have cartilage rings? How does the oxygen you bring into your body get into the circulatory system? What position must the diaphragm be in when you inhale? Exhale? How do the terms breathing, circulation, and respiration relate? Know the path oxygen travels to get to the blood stream. What is the chemical reaction for cellular respiration? Why do living things need oxygen? Explain how circulation, respiration, and breathing relate. Describe how the skeletal, muscular, circulatory, and respiratory system all work together to maintain life.