Biology Chapter 18: Body Fluids and Circulation Quiz
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Questions and Answers

What is the main function of blood in the body?

  • Oxygen production
  • Transport of nutrients and waste products (correct)
  • Regulation of body temperature
  • Synthesis of hormones
  • Which component of blood is responsible for clotting?

  • Plasma
  • Platelets (correct)
  • Red blood cells
  • White blood cells
  • What is the function of lymph in the body?

  • Removing waste products from tissues (correct)
  • Transporting oxygen to cells
  • Producing red blood cells
  • Acting as a cushion around organs
  • Why is it essential for all living cells to be provided with nutrients and oxygen?

    <p>To support cellular respiration and energy production</p> Signup and view all the answers

    In what way do simple organisms like sponges and coelenterates transport substances within their bodies?

    <p>Through exchange with the external environment</p> Signup and view all the answers

    Which protein is primarily involved in the defense mechanisms of the body?

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

    What is the average lifespan of a red blood cell (RBC) in a healthy individual?

    <p>120 days</p> Signup and view all the answers

    What is the most abundant type of white blood cells (WBCs) among the granulocytes?

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

    What is the straw-colored, viscous fluid constituting nearly 55 per cent of the blood called?

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

    What is the iron-containing complex protein found in red blood cells (RBCs) that plays a significant role in the transport of respiratory gases?

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

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