Study

Respiratory System

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  • What is the process when the carbon dioxide from the different parts of the body is released?
    Exhalation
  • Give four organs of the respiratory system.
    nose, mouth, pharynx, larynx, trachea, lung, bronchus
  • This is the primary muscle for respiration.
    diaphragm
  • These are the smaller tubes of bronchi. What are these?
    Bronchioles
  • What happens to the diaphragm when we inhale?
    The diaphragm contracts and moves down.
  • What happens to the diaphragm when we exhale?
    The diaphragm relaxes and moves up to push air.
  • It is also called "windpipe". It branches out into two tubes or bronchi. What is it?
    Trachea
  • In which part of the respiratory system does the air pass from the nose?
    Pharynx
  • When air passes through it from the pharynx, it vibrates to produce sound. What is it?
    Larynx
  • What do you call the tiny air sacs in the lungs?
    Alveoli
  • This is a sticky substance inside the nose that filters and traps the dirt present in the air.
    mucus
  • What air does our body produce when we exhale?
    Carbon dioxide
  • What part of the respiratory system is responsible for gas exchange?
    Alveoli
  • Where does the air moves down from the larynx?
    Trachea
  • Give one function of the respiratory system.
    Filtration of dirt in air/ voice reproduction / breathing
  • Where does the air moves down from the larynx?
    Trachea
  • From the nose, air passes into this tube that allows the passage of food and air. What is this tube?
    pharynx (throat)
  • Where does the path of air start in the respiratory system?
    Nose/mouth
  • What air does our body take in when we inhale?
    oxygen
  • These are the openings of the nose. What are these?
    Nostrils
  • What is the process of taking air into our body?
    inhalation