respiratory system

What is the purpose of the nasal conchae?

increase surface and transform particles and increase air turbulence

What is the purpose of the mucosal lining in the nasal cavity?

it helps traps dust, bacteria, & other particles

What is the difference between the hard and soft palate?

The hard palate is made of bone while the soft is made of muscle

What are the 2 largest pieces of cartilage found in the larynx?

Cricoid and Thyroid

Name the 3 portions of the pharynx.

Nasopharynx, oropharynx, laryngopharynx

What are the 2 largest pieces of cartilage found in the larynx?

Cricoid and Thyroid

Name the 3 portions of the pharynx.

Nasopharynx, oropharynx, laryngopharynx

Rarely, respiratory infections can cause epiglottitis. Explain why individuals with this disease may have difficulty breathing.

Swelling of the epiglottis can completely block the airway

Why do the trachea's cartilaginous rings have posterior openings?

to allow flexibility and expansion also adjust and accommodate the movement of air in and out of our lungs

What is the purpose of the tonsils?

Traps and removes foreign pathogens entering the throat. Made of lymphatic tissue

Cilia line the trachea. Do these cilia send foreign particles superiorly towards the mouth or inferiorly towards the lungs? Why?

Superiorly toward the mouth. To stop infectious particles from entering the lungs.

What are the 3 major functions of the larynx?

Functions as a mechanical barrier to protect lungs from aspiration, vibrates vocal folds to produce sound, and assists in cough reflex

Where does nasal mucus originate?

in paranasal sinuses

Name 2 differences between the right and left lungs.

left lung has 2 lobes + cardiac notch, right lung has 3 lobes and no notch

Which muscles are responsible for breathing?

The diaphragm and the internal intercostals

If vocal cords are pulled tight, what type of vocal sound would be expected?

High Pitched Sound

You are breathing normally while reading this. What lung volume does this action represent?

Tidal volume

What are the 2 locations of the respiratory control centres in the brainstem?

Medulla Oblongata and Pons

What is the function of the cartilaginous rings around the trachea?

Protect and Maintain the airway open

If carbon dioxide concentration increases in the blood, what happens to blood pH?

Blood ph decreases if CO2 increases

There are only ____ bronchi, but they branch into many ____.

two, smaller tubes called bronchioles

When the volume in the lungs decreases, does inspiration or expiration occur?

expiration