Respiratory System Test - Grade 6

Which is the primary organ of the Respiratory System?

• Bronchioles

• Lungs

• Bronchi

• Trachea

What gas does the Respiratory System absorb?

• Carbon Dioxide

• Oxygen

What gas does the Respiratory System release?

• Oxygen

• Carbon Dioxide

What is the name of the muscle located under the lungs?

• Diaphragm

• Trachea

• Alveoli

• Bronchi

The diaphragm is located in the lungs.

• True

• False

In which direction is the diaphragm moving while inhaling?

• Up

• Down

In which direction is the diaphragm moving while exhaling?

• Up

• Down

While exhaling, is the diaphragm relaxing or contracting?

• Relaxing

• Contracting

What is another name for the larynx?

• Trachea

• Pharynx

• Voice Box

• Bronchioles

Why is the trachea lined with cartilage?

• To keep it strong

• To separate it from the esophagus

• To allow extra airflow

• To filter oxygen