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Respiratory System
Study Guide
| Question | Answer |
|---|---|
| What are the conducting passageways, in order, from the external nares to the alveolar bundles? | nares, nasal cavity, pharynx, larynx, trachea, bronchi, and bronchioles |
| What are the functions (2) of the respiratory system? | to transport oxygen and remove extra carbon dioxide |
| What are the 5 functions of the nose? | air, filter air, smell, warms and moistens air, lets are move through body |
| What does the nasal cavity does to air during inspiration? | During inhalation the conchae and nasal mucosa filter, heat, and moisten air |
| What does the nasal cavity does to air during expiration? | During exhalation these structures reclaim heat and moisture and minimize heat and moisture loss |
| What function do the cilia on the nasal mucosa serve? | Ciliated mucosal cells remove contaminated mucus |
| Which structures separate the nasal cavity from the oral cavity? | The hard and soft palate |
| What are the functions of the paranasal sinuses? | Sinuses in bones that surround the nasal cavity, sinuses lighten the skull, resonate speech, and produce mucus |
| What are the sections of the pharynx superior to inferior? | Nasopharynx, Oropharynx, and Laryngopharynx |
| Which section of the pharynx is strictly for air? | The nasopharynx is strictly for air |
| What closes during swallowing that ensures this? | The nasopharynx closes during swallowing |
| Which structures produce the sounds known as speech? | The larynx (voice box) produces the sounds |
| Where is the larynx found? | It is attached to the hyoid bone and opens into the laryngopharynx superior |
| What function do bronchial arteries perform for the lungs? | They provide systemic blood to the lung tissue |
| What composes the respiratory zone? | respiratory bronchioles, alveolar ducts, and alveoli |
| What is the function of the respiratory zone? | It is the site for gas exchange |
| Which type of tissue composes the walls of the alveoli? | They are a single layer of Type I epithelial cells (squamous) |
| Through what process is oxygen and carbon dioxide exchanged between the alveoli and capillaries? | In a process called diffusion, oxygen moves from the alveoli to the blood through the capillaries (tiny blood vessels) lining the alveolar walls |
| Cells in your lungs secrete _______________, a detergent-like complex which coats and lowers surface tension in alveoli. | surfactant |
| Which respiratory response has similar air movements to laughing? | Non-respiratory movements |
| What is the function of the hyaline cartilage of the trachea? | It provides support and keeps the trachea from collapsing |
Created by:
crmeyer71
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