RESPIRATORY SYSTEM

NASAL CAVITY

• Warm air, smell, trap bacteria
• Blood veins, olfactory receptors,ciliated cells and mucisa gland, conchae

PHARYNX

• Passageway for food and air
• Nasopharynx, oropharynx, laryngopharynx

LARYNX

• Route air and food into proper channels, plays role in speech
• 8 rigid hyaline cartilage, vocal folds, glottis

TRACHEA

• Allow expansion when swallowing food, keep patent open, propel mucus
• Hyaline cartilage, ciliated mucosa

BRONCHI

• Main bronchus runs obliquely before it plunges into its own side.
• The right side is wider incase a forgien obj is swallowed
• Smaller side is for the direct route to lungs to main air sacs

BRONCHIOLES

• Has reinforced cartilage walls
• Passageway for air within lungs