Respiratory Quiz

What structure prevents food from entering the larynx and the trachea?

• Uvula
• Alveoli
• Soft palate
• Epiglottis

In order, what are the structures of the respiratory system that an oxygen molecule would pass through in order to make the blood stream?

•  trachea - bronchi - alveoli - bronchioles
• alveoli - bronchi - bronchioles - trachea 
• bronchi - trachea - alveoli - bronchioles 
• trachea - bronchi - bronchioles - alveoli

What connects the pharynx to the trachea?

• larynx
• epiglottis
• bronchi
• alveoli

The only externally visible part of the respiratory system

• Eyes

• Nose

• Pharynx

• Larynx

Which part of the Respiratory System plays a major role in speech? Also known as the voice box.

• nose

• pharynx

• larynx

• trachea

The two narrower tubes branching from the trachea that leads into the lungs

• nose

• bronchi

• lungs

• alveoli

A chamber behind the nose and mouth that leads to the trachea and is part of the digestive system and respiratory system.

• pharynx

• trachea

• epiglottis

• larynx

The large muscle that contracts and relaxes and moves air in and out of the lungs.

• epiglottis

• alveoli

• diaphragm

• trachea

The air tubes in your lungs branch off into smaller, narrower tubes called

• bronchioles

• trachea

• larynx

• cilia

What is the main function of the respiratory system?

• to provide oxygen and remove carbon dioxide from the body
• to bring oxygen to the body
• to break down food and absorb nutrients
• to remove oxygen from the body and deliver carbon dioxide