Respiratory System Organs

What is the main organ of the respiratory system responsible for the exchange of oxygen and carbon dioxide?

• heart

• stomach

• liver

• lungs

Which structure in the respiratory system is also known as the voice box?

• pharynx

• trachea

• larynx

• bronchi

What are the tiny air sacs in the lungs where gas exchange takes place called?

• Trachea

• Alveoli

• Pleura

• Bronchioles

Which part of the respiratory system helps to filter, warm, and moisten the air we breathe?

• Nasal cavity

• Bronchi

• Trachea

• Lung

What is the tube that connects the throat to the bronchi in the respiratory system?

• trachea

• pharynx

• bronchiole

• esophagus

Which respiratory system organ is responsible for producing mucus to trap dust?

• liver

• stomach

• lungs

• heart

It prevents us from choking

• Epiglottis

• Larynx

• Thyroid

• Esophagus

Which respiratory system organ contains the vocal cords?

• Bronchi

• Trachea

• Pharynx

• Larynx

What is the medical term for the windpipe?

• bronchus

• pharynx

• trachea

• esophagus

Which part of the respiratory system is also known as the windpipe?

• alveoli

• esophagus

• trachea

• bronchi