Respiratory System - Answers

• What are the three functions of the respiratory system?
  


• Transport air into the lungs


• Facilitates the diffusion of oxygen into the blood stream


• Helps remove carbon dioxide




• In order, list all of the components of the respiratory system
  
  
  • Mouth
  
  
  • Pharynx
  
  
  • Larynx
  
  
  • Trachea
  
  
  • Bronchi
  
  
  • Bronchioles
  
  
  • Alveoli
  
  
  • Diaphragm
  
  
  
• What is the function of the cilia in the trachea?
  
  
  • To catch particles of dust
  
  
  
• What surrounds the trachea and helps to keep it open?
  
  
  • Rings of cartilage
  
  

• What are alveoli surrounded by and what passes between the two?


• They are surrounded by capillaries


• Oxygen and carbon dioxide pass between the two