Circulatory System in Biology Reviewer 6
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of the respiratory system?

  • Exchange oxygen and carbon dioxide (correct)
  • Absorb nutrients
  • Regulate body temperature
  • Produce hormones

    • Where does the exchange of gases between the external environment and the lungs primarily occur?

  • Alveoli (correct)
  • Bronchi
  • Trachea
  • Nose

    • Which process involves the transport of oxygen to body cells and collection of carbon dioxide?

  • Breathing
  • Use of oxygen
  • Internal respiration (correct)
  • External respiration

    • What is the function of the upper respiratory system?

    <p>Entry point of inhaled air (B)</p> Signup and view all the answers

    Where does the actual exchange of gases take place in the respiratory system?

    <p>Alveoli (C)</p> Signup and view all the answers

    What is the function of the epiglottis in the respiratory system?

    <p>Closing the trachea during swallowing (D)</p> Signup and view all the answers

    Which structure is responsible for warming and moistening the air?

    <p>Nasal cavity (A)</p> Signup and view all the answers

    In which animals do some breathe through their skin which needs to be kept moist for gas exchange?

    <p>Earthworms (A)</p> Signup and view all the answers

    What is the main function of the circulatory system?

    <p>To carry oxygen to cells (A)</p> Signup and view all the answers

    Which component of blood is responsible for defending the body from infections?

    <p>Leukocytes (WBC’s) (A)</p> Signup and view all the answers

    What is the function of thrombocytes (platelets) in the blood?

    <p>Prevent blood loss by clogging injured blood vessels (C)</p> Signup and view all the answers

    Which blood vessels carry deoxygenated blood away from the heart?

    <p>Arteries (C)</p> Signup and view all the answers

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

    <p>To act as a pumping station (A)</p> Signup and view all the answers

    What is the function of vena cava in the circulatory system?

    <p>Receives deoxygenated blood from all parts of the body (D)</p> Signup and view all the answers

    Which chamber of the heart pumps oxygenated blood to the body?

    <p>Left ventricle (B)</p> Signup and view all the answers

    What is the function of valves in the heart?

    <p>Prevent the back flow of blood (D)</p> Signup and view all the answers

    Which vessel carries deoxygenated blood to the lungs for oxygenation?

    <p>Pulmonary artery (A)</p> Signup and view all the answers

    What is the purpose of the septum in the heart?

    <p>Prevent blood from flowing between atria or ventricles (B)</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser