Respiratory system

• Respiratory system 


  it is the exchange of gases
• Oxygen 


  Is the gas we inhale
• Carbon dioxide


  is the gas we exhale after taking in oxygen
• Nostrils 


  Contains plenty of tiny hairs
• Cilia 


  is the little hairs in the nostrils
• Nasal cavity 


  produces mucus called a "snot", and warms the incoming air
• Larynx 


  It is known as the voice box
• Trachea 


  It is known as the windpipe, it is a hallow tube that allows air to flow the lungs during respiration.
• Pharynx 


  after the air passes through the nasal it goes to the throat or pharynx
• Bronchi


  the main airways into the lungs that branch out from the trachea and perform gas exchange, mucus clearance, and infection protection
• How many bronchioles are there

  300 million
• Alveoli 


  the tiny sacs in the lungs that move oxygen and carbon dioxide into and out of your bloodstream. 
• How many alveoli are there?

  600 million
• Diaphragm 


  Is a dome-shaped muscle located between your chest
• If you exhale the diaphragm 


  Relaxes
• If you inhale the diaphragm will


  contract
• Capillaries 


  Is the blood flow into the lungs