What is the human respiratory system?

• A system in our body that helps us to digest.

• A system in our body that helps us to heartbeat.

• A system in our body that helps us to tranport.

• A system in our body that helps us to breath.

What is the function of the respiratory system?

• Take in oxygen only

• Remove carbon dioxide only

• Take in oxygen and remove carbon dioxide

• Take in carbon dioxide and remove oxygen

Which are the main organs in the respiratory system?

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The picture shows the human respiratory system. What is Organ 1?

• Lungs

• Pharynx

• Mouth

• Alveoli

The picture shows the human respiratory system. What is Organ 2?

• Pharynx

• Bronchus

• Alveoli

• Lungs

The picture shows the human respiratory system. What is Organ 3?

• Pharynx

• Bronchus

• Trachea

• Alveoli

The picture shows the human respiratory system. What is Organ 4?

• Nostrils

• Bronchus

• Brochiole

• Trachea

The picture shows the human respiratory system. What is Organ 5?

• Larynx

• Diaphragm

• Lung

• Alveolus

The picture shows the human respiratory system. What is Organ 6?

• Nasal Cavity

• Brochus

• Alveolus

• Larynx

Given the following structures:

I. lungs

II. nasal cavity

III. bronchi

IV. trachea

5. V. pharynx

Which of the following is the correct way air would flow during inhalation?

• I>II>V>III>IV

• II>V>IV>III>I

• II>I>III>IV>V

• IV>V>II>III>I