The Respiratory System

The primary organ of the RS is/are

• lungs
• heart
• trachea
• bronchioles

Which is NOT a function of the RS?

• it warms the air
• it exchanges O₂ and CO₂
• It pumps blood to the organs
• it creates sound through the larynx

The RS begins in the 

• diaphram
• lungs 
• nose and mouth
• pharynx

This passageway is part of both the RS and the Digestive system. 

• larynx
• pharynx
• nasal cavity
• trachea

The ____ carries air to the right and left bronchus. 

• esophagus
• bronchioles
• alveoli
• trachea

The place where the lungs exchanges gases is the 

• alveoli
• diaphragm
• bronchus
• nose and mouth

The small tree-like branches coming of the bronchi are the___

• trachea
• branches
• bronchioles
• pharynx

The muscular organ that holds the vocal chords is the ___.

• epiglottis
• pharynx
• larynx
• trachea

The small flap of cartilage that closed when food passes is called the ___. 

• epiglottis
• valve
• trachea
• bronchioles

Which is NOT a disease of the RS? 

• diabetes
• COPD
• asthma
• bronchitis