Gaseous Exchange 🫁

• Gaseous Exchange 


  The Exchange of oxygen and carbon dioxide across a gaseous exchange surface between the air and the blood in the lungs
• Breathing 


  Mechanical process of the inhalation and exhalation of air
• Why gaseous exchange is necessary

  Absorbs oxygen

  Removes co2

  Maintains a safe pH
• Larger animals have a :

  Smaller surface area:volume ratio and are complex
• Three sections of the Human respiratory system

  Air passages

  Lungs

  Respiratory muscles