Circulatory & Immune Systems

  • What type of tissue is blood?
  • After whole blood is put into the centrifuge it is separated in how many layers? What are these layers?
  • What are some of the parts of whole blood that can be used when donated?
  • Describe the structure of hemoglobin and explain why it is called a respiratory pigment.
  • What is an antigen? What types are there on blood? What is an antibody? How does it interact with an antigen?
  • What is hematopoiesis and where does it happen?
  • Describe the structure of an erythrocyte and how it differs from most other cell types. Explain why this structure is important.
  • What does the hormone erythropoietin do? Where is this hormone produced?
  • Why are the lymphatic and immune systems linked together?
  • What is the lymphatic system?
  • Many of you have probably experienced sore tonsils. Explain why your tonsils get sore and how this is a good thing.
  • The immune system can be divided into two broad categories. What are these categories and how do they differ?
  • Outline the types of nonspecific defenses the body has to ensure protection against pathogens and compare them to the specific defenses.
  • What does immunologic memory mean? Why is this very important for keeping us safe throughout our lives?
  • We can describe the circulation of blood as a figure 8 cycle. Explain what this means. Start in the right ventricle. List all the chamber, valves and locations the blood visits during its journey.
  • Define cardiac output and explain how it can change in response to external factors.
  • What are some of the homeostatic imbalances of the heart?
  • Outline the difference in structure between the different blood vessels in the body and explain their function.
  • Outline how the capillaries function as the site of gas and fluid exchange.
  • What are some factors that can contribute to changes in blood pressure?
  • Why and how does blood flow change in the body?

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