RESPIRATORY SYSTEM

• Respiratory System


  The network of organs and tissues that are involved in gas exchange
• Organs of respiratory system

  • Nasal Cavity
  • Pharynx
  • Larynx
  • Trachea
  • Bronchi
  • Lungs (Bronchioles & Cluster of Alveoli)
• Nasal Cavity


  • The inside of your nose
  • Used to humidify and warm the inspired air
  • Removes minute airborne particles and other debris before the air reaches the lower airways
• Pharynx


  • Usually called the throat
  • Part of the respiratory and digestive system
  • Helps the respiratory system by allowing the air to pass through the trachea (windpipe) to your lungs
• Larynx

  • Contains the vocal cords and functions as a voice box
  • A hollow tube that lets air pass from your throat to your trachea On the way to your lungs
• Bronchi and Bronchioles


  • Carries air into the lungs
  • The main airways (Bronchi) branch off into smaller and smaller passageways called Bronchioles, which lead to tiny air sacs (Alveoli)
• Alveoli


  • Also known as "air sac"
  • Where the lungs and blood exchange oxygen and carbon dioxide during the process of Breathing in and breathing out