CLASS 2 QUIZ

Choose the correct flowchart for air passage during exhalation.

• Lungs, Nose, Trachea
• Nose, Trachea, Lungs
• Lungs, Trachea, Nose

Choose the correct flowchart for air passage during inhalation.

• Lungs, Nose, Trachea
• Nose, Trachea, Lungs
• Lungs, Trachea, Nose

Oxygen gas is more than carbon dioxide content. The situation is for:

• Exhalation
• Inhalation

Oxygen gas is less than carbon dioxide content. The situation is for:

• Exhalation
• Inhalation

State 2 main gases involved in human breathing.