Human Breathing Process

What is the main organ for human breathing process?

• Nose

• Trachea

• Lungs

• Mouth

State two organs in the diagram above.

• Lungs, Trachea

• Trachea, Nose

• Lungs, Nose

• Lungs, Mouth

What happens when we inhale?

• The chest moves upward

• The chest moves downward

• The chest moves upward and downward

What happen when we exhale?

• The chest moves upward

• The chest moves downward

• The chest moves upward and downward

Name the organs involved during breathing

• Nose, trachea

• Nose, trachea and lungs

• Nose and lungs

Where is the gas exchange takes place during inhale?

• Nose

• Mouth

• Trachea

• Lungs

State the air passage during inhalation

• Nose --> Trachea --> Lungs

• Nose --> Lungs --> Trachea

• Lungs --> Trachea --> Nose

• Lungs --> Nose --> Trachea

State the air passage during exhalation

• Nose --> Trachea --> Lungs

• Nose --> Lungs --> Trachea

• Lungs --> Trachea --> Nose

• Lungs --> Nose --> Trachea

Inhaled air contains _________ oxygen compared to exhaled air.

• more

• less

Exhaled air contains ________ carbon dioxide compared to inhaled air.

• more

• less