The Respiratory System Quiz

What is the voice box called?

• Larynx

• Pharynx

• Trachea

• Bronchi

What are the smaller branches of the bronchi called?

• Alveoli

• Bronchioles

• Trachea

• Larynx

Fill in the blank: Tiny air sacs in the lungs are known as ____.

• A) Alveoli

• B) Bronchioles

• C) Cilia

• D) Trachea

Fill in the blank: The membrane covering the lungs and chest wall is called the ____.

• Pleura

• Pericardium

• Peritoneum

• Meninges

The lungs are known as: A) The windpipe B) The organs of respiration C) The tubes that branch off from the trachea D) The passageway through the nose.

• The windpipe

• The organs of respiration

• The tubes that branch off from the trachea

• The passageway through the nose.

What is carbon dioxide in the context of the respiratory system?

• The windpipe

• A waste product of respiration

• Tiny air sacs in the lungs

• The throat

What is the pleura?

• A) A flap of cartilage

• B) The voice box

• C) The membrane covering the lungs and chest wall

• D) Hair-like structures.

The pleura is responsible for ______.

• covering the trachea

• covering the lungs and chest wall

• moving mucus out of the respiratory system

• inhaling oxygen

Fill in the blank: The _______ is a muscle that helps in breathing by contracting and relaxing.

• Diaphragm

• Larynx

• Trachea

• Bronchi

Which gas is essential for human respiration?

• Carbon Dioxide

• Nitrogen

• Oxygen

• Helium