Exam 17: The Respiratory System

Match each of the following terms with its corresponding definition or description. -the amount of air left in the lungs after the most forceful expiration

Tears drain into the nasal cavity.

Carbon monoxide has a much higher affinity for hemoglobin than does oxygen.Why does this make exposure to carbon dioxide so dangerous?

External nares is another name for nostrils.

When a person is winded and breathing through the mouth,the inspired air has a higher level of humidity because of the higher amount of moisture in the mouth.

Which is a broad term to describe conditions of progressive,irreversible obstruction of expiratory airflow?

The vocal cords are found in the

Neither internal respiration nor cellular respiration occurs in the lung.

Match each of the following terms with its corresponding definition or description. -the movement of air into and out of the lungs

Croup is the most serious form of laryngitis and is frequently life threatening.

Pulmonary ventilation has two phases; they are

A rise in the pH will stimulate the chemoreceptors of the carotid artery and aorta and cause an increase in breathing rate.

There are two primary bronchi,one entering each lung.

Laryngitis can be caused by either bacteria or a virus.

Internal respiration and cellular respiration refer to the same thing.

The pharynx may also be called the throat.

Which volume of air is not included in the vital capacity?

Eupnea refers to a normal respiratory rate.

Which structure is not a part of the larynx?

Besides air distribution and gas exchange,the respiratory organs assist in