Animal Physiology Circulation Quiz
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Questions and Answers

What is the purpose of the cardiovascular system in most multicellular organisms?

  • Transport of nutrients, waste products, and respiratory gases (correct)
  • Protection against diseases
  • Regulation of body temperature
  • Storage of excess nutrients
  • In which organisms does gas exchange take place by simple diffusion across the cell membrane?

  • Large mammals
  • Amphibians
  • Birds
  • Small organisms (diameter < 1mm) (correct)
  • What are the body fluids responsible for transporting nutrients, waste products, and respiratory gases?

  • Blood and lymph (correct)
  • Sweat and tears
  • Saliva and gastric juices
  • Cerebrospinal fluid
  • What is the primary function of arteries in the circulatory system?

    <p>Carrying oxygenated blood away from the heart</p> Signup and view all the answers

    What is the primary purpose of the cardiovascular system in most multicellular organisms?

    <p>Transporting nutrients, waste products, and respiratory gases</p> Signup and view all the answers

    What is the purpose of haemostatic mechanisms in the circulatory system?

    <p>To prevent excessive bleeding by forming blood clots</p> Signup and view all the answers

    Which organisms do not require an internal system of transport for nutrients and waste products?

    <p>Sponges, cnidarians, and flatworms</p> Signup and view all the answers

    What facilitates gas exchange in small organisms with a diameter less than 1mm?

    <p>Simple diffusion across the cell membrane</p> Signup and view all the answers

    What are the body fluids responsible for transporting nutrients, waste products, and respiratory gases?

    <p>Blood and lymph</p> Signup and view all the answers

    What is the function of haemostatic mechanisms in the circulatory system?

    <p>To prevent excessive bleeding after injury</p> Signup and view all the answers

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