HUMAN BIOLOGY, BIOMEDICAL ISSUES AND SOCIETY

JOURNAL QUESTIONS

Chapter 5
Heart and Blood Vessels


You've Gotta Have Heart!

  1. What are the two main parts and major functions of the Cardiovascular System?
  2. How does the Lymphatic System help the Cardiovascular System?
  3. Name the different types of blood vessels. What is the structure and function of each of these vessels?
  4. Describe the size and location of the heart? What is the major portion of the heart called?
  5. List the chambers of the heart. Where is the septum found?
  6. Name the four heart valves and where they are located. Why are valves needed in the heart?
  7. What is another name for the cardiac cycle? Define systole and diastole.
  8. Name the 2 heart sounds and what produces each one. Describe a heart murmur?
  9. What is the function of the internal conduction system of the heart? Name and describe its main parts.
  10. What does ECG stand for and what does it tell you. What do the P, QRS, and T waves represent? Name and describe an abnormality an ECG can detect.
  11. What causes a person’s pulse and what does it indicate?
  12. What does blood pressure measure, what produces it and what is a normal value?
  13. What force accounts for the flow of blood in arteries? Where is pressure highest and lowest?
  14. Describe the three factors that account for the flow of blood in veins.
  15. Name the two circuits that blood flows through. Why is the heart called a double pump?
  16. Trace the low of blood in the Pulmonary Circuit. Indicate the places where the blood is oxygen rich or oxygen poor.
  17. Trace the flow of blood through the Systemic Circuit.
  18. Name and describe four cardiovascular diseases and what treatments are available.

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