Biology Quiz: Human Body Systems
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Questions and Answers

What is the main function of the tricuspid valve?

  • To pump blood from the ventricle to the atrium
  • To prevent back-flow of blood from the ventricle to the atrium (correct)
  • To separate the right and left sides of the heart
  • To transport oxygenated blood to the lungs

    • What is the purpose of the aorta?

  • To separate the right and left sides of the heart
  • To receive oxygen-rich blood from the lungs
  • To pump blood out to the rest of the body (correct)
  • To keep the trachea open

    • What is the diaphragm?

  • A valve that prevents back-flow of blood
  • A flap that separates the right and left sides of the heart
  • A sheet of muscle under the lungs (correct)
  • A muscular wall that separates the right and left sides of the heart

    • What is NOT true about the effect of exercise?

    <p>Less oxygen and glucose get to the muscle</p> Signup and view all the answers

    What is the location of the right ventricle?

    <p>In the lower half of the right side of the heart</p> Signup and view all the answers

    What is NOT good for the heart?

    <p>Eating fast food 3 times a week</p> Signup and view all the answers

    Which valve prevents the back-flow of blood from the ventricle to the atrium?

    <p>Mitral valve</p> Signup and view all the answers

    What is the primary function of the atria in the heart?

    <p>To receive blood from the body</p> Signup and view all the answers

    Which vessels are responsible for the exchange of materials between the blood and body?

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

    What is the name of the tube that splits into two bronchial tubes?

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

    Which of the following is NOT part of the respiratory system?

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

    What is the name of the flap of tissue that covers the trachea to prevent food from entering the trachea?

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

    Study Notes

    Cardiovascular System

    • The heart is divided into 4 chambers.
    • The right ventricle pumps blood into the pulmonary artery, transporting oxygen-poor blood to the lungs.
    • The left ventricle pumps oxygen-rich blood to the body.
    • The septum is the muscular wall that separates the left and right sides of the heart.

    Heart Valves

    • The tricuspid valve is a flap that lies between the right atrium and the right ventricle, preventing back-flow of blood.
    • The mitral valve is located between the left atrium and the left ventricle, preventing back-flow of blood.

    Blood Vessels

    • Arteries carry blood away from the heart throughout the body.
    • Veins carry blood towards the heart.
    • Capillaries are responsible for the exchange of materials such as gases, nutrients, etc. between the blood and body.

    Respiratory System

    • Alveoli are tiny sacks in the lungs surrounded by capillaries where oxygen enters the bloodstream, and carbon dioxide exits.
    • The trachea (windpipe) is kept open by rings of cartilage.
    • The diaphragm is a sheet of muscle under the lungs that regulates the pressure inside the chest.
    • The bronchial tubes split off from the trachea.
    • The pharynx connects the nasal cavity and the oral cavity.

    Respiration

    • Respiration occurs in all cells.
    • The respiratory system is responsible for moving oxygen throughout the body.

    Joints and Ligaments

    • Joints are places where two bones come close together and are connected by ligaments.
    • Ligaments connect bone to bone.

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    Test your knowledge of human body systems, including the circulatory system, respiratory system, and more!

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