Circulatory System Lecture 6
45 Questions
0 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

Which circuit carries deoxygenated blood from the heart to the lungs?

  • Systemic circuit (correct)
  • Cardiac circuit
  • Pulmonary circuit
  • Coronary circuit

    • Which blood vessel carries oxygenated blood from the lungs to the heart?

  • Pulmonary artery
  • Aorta
  • Vena cava
  • Pulmonary vein (correct)

    • Which component of the heart induces both atria to contract?

  • SA node (correct)
  • Ventricles
  • Pacemaker
  • AV node

    • What is the function of valves in veins?

    <p>Prevent backflow</p> Signup and view all the answers

    During which phase of the cardiac cycle do the ventricles contract?

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

    What is the primary function of the pulmonary circuit?

    <p>Oxygenate blood</p> Signup and view all the answers

    Which blood vessel carries deoxygenated blood from the heart to the lungs?

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

    What is the role of the AV node in the heart?

    <p>Induces both ventricles to contract</p> Signup and view all the answers

    What is the function of the systemic circuit?

    <p>Supply oxygenated blood to the body tissues</p> Signup and view all the answers

    What is the main function of the circulatory system?

    <p>To distribute materials throughout the body</p> Signup and view all the answers

    Which component is part of the cardiovascular system?

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

    What is the function of red blood cells (RBC) in the blood?

    <p>Bind and transport oxygen molecules</p> Signup and view all the answers

    Where do capillaries function as sites of chemical exchange?

    <p>With the blood to form capillary beds</p> Signup and view all the answers

    Which blood vessels carry blood away from the heart to capillaries?

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

    What is the function of the ventricles in the heart?

    <p>Where blood exits the heart</p> Signup and view all the answers

    What type of muscle is the human heart mainly composed of?

    <p>Cardiac muscle</p> Signup and view all the answers

    How many times does blood pass through the heart in double circulation?

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

    What is the main function of platelets in the blood?

    <p>Cell fragments involved in blood clotting</p> Signup and view all the answers

    What are the three major components of the cardiovascular system?

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

    Which blood vessel carries blood away from the heart to capillaries?

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

    What is the main function of red blood cells (RBC) in the blood?

    <p>Bind and transport oxygen molecules</p> Signup and view all the answers

    What is the function of the ventricles in the heart?

    <p>Pump blood through the blood vessels by muscular action</p> Signup and view all the answers

    What is the role of the AV node in the heart?

    <p>To relay electrical impulses to the ventricles</p> Signup and view all the answers

    What is the function of valves in veins?

    <p>Prevent backflow of blood</p> Signup and view all the answers

    What type of muscle is the human heart mainly composed of?

    <p>Cardiac muscle</p> Signup and view all the answers

    What is the primary function of the pulmonary circuit?

    <p>Carries deoxygenated blood from the heart to the lungs</p> Signup and view all the answers

    Where do capillaries function as sites of chemical exchange?

    <p>Capillary beds</p> Signup and view all the answers

    What is the function of the SA node in the heart?

    <p>Regulates the timing of muscular contractions</p> Signup and view all the answers

    What is the primary function of the pulmonary circuit?

    <p>To oxygenate blood</p> Signup and view all the answers

    What is the role of the AV node in the heart?

    <p>Induces both ventricles to contract</p> Signup and view all the answers

    Where does gas exchange primarily occur in the respiratory system?

    <p>Between the blood and the environment or body</p> Signup and view all the answers

    What is the main function of the systemic circuit?

    <p>To carry blood to the body tissues</p> Signup and view all the answers

    What is the function of valves in veins?

    <p>To prevent backflow of blood</p> Signup and view all the answers

    What is the function of the ventricles in the heart?

    <p>To pump blood into the aorta</p> Signup and view all the answers

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

    <p>To facilitate gas exchange</p> Signup and view all the answers

    What is the main function of the circulatory system?

    <p>To transport oxygen and nutrients to cells</p> Signup and view all the answers

    What is the function of the SA node in the heart?

    <p>Regulates the timing of muscular contractions</p> Signup and view all the answers

    What is the primary function of the pulmonary circuit?

    <p>To oxygenate blood and remove CO2</p> Signup and view all the answers

    What is the role of the AV node in the heart?

    <p>Induces both ventricles to contract</p> Signup and view all the answers

    Where do capillaries function as sites of chemical exchange?

    <p>Between the blood and the body tissues</p> Signup and view all the answers

    What is the function of the systemic circuit?

    <p>To carry blood to the body tissues and pick up CO2</p> Signup and view all the answers

    Which blood vessel carries deoxygenated blood from the heart to the lungs?

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

    What is the function of the ventricles in the heart?

    <p>To pump blood into the aorta and pulmonary arteries</p> Signup and view all the answers

    What is the main function of the capillaries of the lungs?

    <p>To facilitate gas exchange</p> Signup and view all the answers

    What is the main function of the AV node in the heart?

    <p>Induces both ventricles to contract</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser