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Circulatory, Respiratory and Nervous System

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  • Explain what does the right atrium do.
    It receives blood from the veins that need more oxygen and sends it to the lungs.
  • The place where gases enter and leave the blood.
    Air Sac
  • Explain the function of the circulatory system.
    Transports oxygen and nutrients throughout the body.
  • Which structture of the respiratory system contains the vocal cords?
    The larynx
  • A tube that leads to the bronchi.
    Trachea
  • How do you call a group of organs that work together?
    Body System
  • Explain one function of the brain.
    It controls how you react to information received from the outside environment and inside your body.
  • What is the unit of all living things?
    Cells
  • Explain the function of the spinal cord.
    The spinal cord is the pathway from which information is sent to and received from the brain.
  • Explain the role of the valves in the veins.
    The valves in the veins stop the blood from fl owing in the wrong direction.
  • How many body systems are in our body?
    11
  • Mention the two structures of the nerve cells.
    Dendrites and Axons
  • Mention the two components of the central nervous system
    Brain and Spinal Cord
  • The first of a series of tubes that carry oxygenated air from the mouth and nasal cavities to the lungs
    Pharynx
  • Name the 3 blood vessels in the human body.
    Veins, arteries, capillaires
  • Explain the function of the nervous system.
    Transmission of nerve impulses to the brain and spinal cord.
  • Tiny tubes that receive air inside the lungs.
    Bronquiole
  • Explain the function of the respiratory system.
    Is involved in gas exchange between the body and the environment, allowing the uptake of oxygen and the removal of carbon dioxide.
  • Explain what does the left atrium do.
    It receives blood from the lungs that is rich in oxygen.
  • It is the pump that allows the blood to move through the blood vessels.
    Heart