All of the following are considered lymphoid structures EXCEPT?

A person exhales.  The exhaled air will pass along which correct order of structures as it travels out of the alveoli toward the nasal cavity? 1. Terminal Bronchioles 2. Respiratory Bronchioles 3. Alveolar Ducts 4. Tertiary Bronchi 5. Secondary Bronchi

The ventral respiratory group in the medulla of the brain has the responsibility of what physiological function?

Large clusters of lymph nodes appear in all of the following locations except:

The lymphatic system functions to: 

High surface tension of the alveoli can interfere with normal ventilation as it increases tendency for alveoli to collapse.  What helps reduce the surface tension of alveoli, which allows for better expansion of the alveoli during inspiration?

A person accidentally swallows water down the “wrong tube”.  The water goes all the way down the trachea to the last ring of the trachea where there is a ridge, called the _____________ which initiates the coughing reflex. 

What is the correct order of structures that air would pass through as you inhale air into the lungs? 1.  Terminal Bronchiole 2.  Tertiary Bronchi 3.  Respiratory Bronchiole 4.  Primary Bronchi 5.  Secondary Bronchi

During quiet inspiration, which muscle contracts, increasing the size of the thoracic cavity and allowing for the expansion of the lungs?

Which respiratory-associated muscles would contract or relax during forced expiration, for example blowing up a balloon?