The airway diameter  of which of the following parts of the bronchial tree would be the smallest? 

Which of the following is a NOT a  function of the Respiratory System?

The lymphatic system functions to: 

Match each of the following with its most accurate category 

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. 

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

Which of the following is NOT a correct function of the respiratory system?

Which Law states that each gas in a gas mixture exerts its own pressure, independently of the other gases in the mixture?

Blood is filtered by passing through the ___________________ while lymph fluid is filtered by passing through the _______________. 

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