Efficient Transportation Systems in Biology
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Questions and Answers

What is the main purpose of the two circuits in the transport system described?

  • To pick up oxygen from the environment and deliver it to tissues (correct)
  • To maintain high blood pressure in the body
  • To deliver oxygen and nutrients to tissues
  • To transport blood and lymph through the body
  • What is the difference in pressure between the capillaries in the gills and the capillaries in the body tissues?

  • The pressure is the same in both sets of capillaries
  • The pressure is higher in the gills capillaries
  • The pressure is lower in the gills capillaries (correct)
  • There is no information given about the relative pressures
  • What is the main advantage of a closed circulatory system compared to an open circulatory system?

  • It allows for more efficient transport of oxygen and nutrients
  • It allows for greater control over blood flow and distribution (correct)
  • It allows for more rapid removal of waste products from the body
  • It allows for higher blood pressure to be maintained
  • How does the single circulatory system of fish limit the delivery of oxygen to body cells?

    <p>It causes the blood to flow too slowly through the body</p> Signup and view all the answers

    What is the main function of the heart in the single circulatory system of fish?

    <p>To pump blood to the gills and then to the body tissues</p> Signup and view all the answers

    How does the single circulatory system of fish limit the removal of waste products from the body?

    <p>It prevents the blood from passing through the body tissues quickly enough</p> Signup and view all the answers

    Why can blood flow more quickly in systemic circulation compared to pulmonary circulation?

    <p>Higher pressure in systemic circulation</p> Signup and view all the answers

    In a closed circulatory system, where is blood always contained as it flows to the heart?

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

    What is the advantage of a closed circulatory system over an open circulatory system?

    <p>Higher pressure for rapid blood movement</p> Signup and view all the answers

    What is the role of tissue fluid in a closed circulatory system?

    <p>Bathing tissues and cells</p> Signup and view all the answers

    What supplies energy for activity and warmth in mammals?

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

    Which statement best describes the function of respiration in mammals?

    <p>Releasing energy from food using oxygen</p> Signup and view all the answers

    What is one advantage of the double circulatory system over a single circulatory system?

    <p>Delivers oxygen and nutrients to body tissues faster</p> Signup and view all the answers

    Which circulation carries blood to the lungs to pick up oxygen?

    <p>Pulmonary circulation</p> Signup and view all the answers

    What happens in the lungs during the process of oxygen diffusion into the blood?

    <p>Blood passes through capillaries</p> Signup and view all the answers

    Why should blood pressure not be too high during pulmonary circulation in the double circulatory system?

    <p>To prevent damage to lung capillaries</p> Signup and view all the answers

    What is an essential feature of the double circulatory system that allows for efficient delivery of oxygen and nutrients to body tissues?

    <p>Passing blood through the heart twice for each circuit</p> Signup and view all the answers

    Which part of the circulatory system ensures that blood moves more quickly to deliver oxygen and nutrients efficiently?

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

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