The Respiratory System Chapter 7
Structures of the Respiratory System
Structures of the Upper Respiratory Tract
Nose Primary Function Related Word Parts (Combining Forms) Exchanges air during inhaling and exhaling Warms, moisturizes, and filters inhaled air Related Word Parts (Combining Forms) nas/o rhino/o
Sinuses Primary Function Related Word Parts (Combining Forms) Provide mucus Make bones of the skull lighter Aid in sound production Related Word Parts (Combining Forms) sinus/o
Pharynx Primary Function Related Word Parts (Combining Forms) Transports air to and from the nose to the trachea Related Word Parts (Combining Forms) pharyng/o
Larynx Primary Function Related Word Parts (Combining Forms) Makes speech possible Related Word Parts (Combining Forms) laryng/o (continues)
Larynx
Epiglottis Primary Function Related Word Parts (Combining Forms) Closes off the trachea during swallowing Related Word Parts (Combining Forms) epiglott/o
Trachea Primary Function Related Word Parts (Combining Forms) Transports air to and from the pharynx to the bronchi Related Word Parts (Combining Forms) trache/o
Bronchi Primary Function Related Word Parts (Combining Forms) Transports air from the trachea into the lungs Related Word Parts (Combining Forms) bronch/o, bronchi/o
Alveoli Primary Function Related Word Parts (Combining Forms) Air sacs that exchange gases with the pulmonary capillary blood Related Word Parts (Combining Forms) alveol/o (continues)
Alveoli
Lungs Primary Function Related Word Parts (Combining Forms) Bring oxygen into the body Remove carbon dioxide and some water waste from the body Related Word Parts (Combining Forms) pneum/o, pneumon/o, pulmon/o (continues)
Lungs
Respiration Inhalation: the act of taking in air as the diaphragm contracts and pulls downward Exhalation: the act of breathing out (continues)
Respiration
Key Word Parts and Definitions bronch/o, bronchi/o bronchial tube, bronchus laryng/o larynx, throat nas/o nose ox/i, ox/o, ox/y oxygen (continues)
Key Word Parts and Definitions pharyng/o throat, pharynx phon/o sound, voice pleur/o pleura, side of the body -pnea breathing (continues)
Key Word Parts and Definitions pneum/o, pneumon/o, pneu- lung, air pulm/o, pulmon/o lung sinus/o sinus somn/o sleep (continues)
Key Word Parts and Definitions spir/o to breathe thorac/o, -thorax chest, pleural cavity trache/o, trachea windpipe
Questions
Question The surface area of a human lung is equal to: a tennis court a football field a Ping-Pong table
Answer a. tennis court
Question A cough releases an explosive charge of air that moves at speeds up to 60 mph. A sneeze can exceed the speed of 100 mph. True or False?
Answer True
Question How many times a day does the average human adult take a breath? a. 10,000–17,500 b. 25,000–35,000 c. 17,500–25,000
Answer c. 17,500–25,000
Question The right lung is smaller than the left lung. True or False
Answer False: The left lung is smaller than the right lung to make room for the heart.