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Nasopharynx, oropharynx, and laryngopharynx

Name the openings that occur between the nasal cavity and the pharynx


What is the name of the space found behind the oral cavity and above the laryngopharynx?

Thyroid cartilage


The uvula


The epiglottis

What is the structure that protects the glottis from entering the larynx?

Left lung

Which lung has only two lobes in a human?

Primary bronchi

The trachea branches into two tubes that go into the lungs. What are these tubes called?

Inside the lungs

Where is the bronchial tree found?


What small structures in the lung is the site of exchange of oxygen with the blood capillaries?

It makes the surface area of the lungs smaller

Emphysema is a destruction of the alveoli of the lungs. What effect does this have on the surface area of the lungs.

Breathing, bringing air into the lungs from the atmosphere

What is pulmonary ventilation?


What is the average tidal volume in liters for an average adult?

Total lung capacity

What lung volume represents the largest volume?

The amount of inhaled air or exhaled air during one normal breath at rest

Define tidal volume


What instrument do you use to measure breathing volume?

Expository reserve volume

If you inhale maximally, what is the name of the volume of air that you completely exhale?

It decreases the amount of oxygen that can be taken in

How does the decrease in vital capacity potentially influence an individual's athletic performance or aerobic condition as aging occurs?

Inspiratory Respiratory Volume; Maximum inhale; 3000

What is IRV?

Expiratory Respiratory Volume; Maximum exhale volume; 1200

What is ERV?

The amount of air inhaled or exhaled during one normal breath at rest; 500

What is tidal volume?

Chemoreceptors detecting hydrogen ion levels

The stimulus to breathe comes from?

In the interstitial fluid in the bloodstream

How is carbon dioxide transported in the blood?

Hemoglobin or as bicarbonate ions

What is the most common method of transport of carbon dioxide?

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