Blood Circulation Basics
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Questions and Answers

What is the color of the fluid that circulates inside the cardiovascular system?

  • Reddish (correct)
  • Purplish
  • Clear
  • Yellowish

    • What is the primary function of blood in the human body?

  • To regulate body temperature
  • To circulate continuously inside the cardiovascular system (correct)
  • To protect the body from external damage
  • To store nutrients and energy

    • What is the system in which blood circulates continuously?

  • Nervous system
  • Respiratory system
  • Digestive system
  • Cardiovascular system (correct)

    • What is a characteristic of blood mentioned in the passage?

    <p>It is a complex fluid</p> Signup and view all the answers

    What is the primary component of plasma by percentage?

    <p>Water</p> Signup and view all the answers

    What percentage of plasma is composed of plasma proteins?

    <p>7%</p> Signup and view all the answers

    What type of substances are urea and creatinine examples of?

    <p>Metabolic products</p> Signup and view all the answers

    What percentage of plasma is composed of solids?

    <p>9%</p> Signup and view all the answers

    What is the term for the substances that provide nutrition to the cells?

    <p>Nutritive substances</p> Signup and view all the answers

    What is an excellent acid-base buffer?

    <p>Hemoglobin in RBCs</p> Signup and view all the answers

    What assists in the transport of CO2?

    <p>Carbonic anhydrase enzyme</p> Signup and view all the answers

    What is maintained by the blood viscosity?

    <p>Arterial blood pressure</p> Signup and view all the answers

    What is a function of RBCs?

    <p>Influencing blood viscosity</p> Signup and view all the answers

    What is the role of RBCs in maintaining blood pressure?

    <p>They influence blood viscosity</p> Signup and view all the answers

    What is erythropoiesis?

    <p>The process of producing new RBCs</p> Signup and view all the answers

    What is the result of erythropoiesis?

    <p>Production of new RBCs</p> Signup and view all the answers

    What is the opposite of erythropoiesis?

    <p>Hemolysis</p> Signup and view all the answers

    What is the purpose of erythropoiesis?

    <p>To replenish the blood with new RBCs</p> Signup and view all the answers

    What is the term for the study of RBC production?

    <p>Hematology</p> Signup and view all the answers

    What happens to the rate of RBCs formation when O2 supply to the tissues decreases?

    <p>It increases</p> Signup and view all the answers

    What is the effect of hypoxia on erythropoiesis?

    <p>It accelerates RBC formation</p> Signup and view all the answers

    What is the relationship between tissue oxygenation and erythropoiesis?

    <p>Decreased oxygenation increases erythropoiesis</p> Signup and view all the answers

    What triggers the increase in red blood cell formation?

    <p>Decreased oxygen supply to the tissues</p> Signup and view all the answers

    How does the body respond to decreased oxygen supply to the tissues?

    <p>By increasing the production of red blood cells</p> Signup and view all the answers

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