+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
What does the upper respiratory system
consist of?
|
Nose, Nasal Cavity, sinuses, and pharynx
|
|
What does the lower respiratory system
consist of?
|
Larynx, trachea, bronchi, and lungs
|
|
Surfactant Cells
|
Secrete surfactant to keep the alveoli from sticking together after exhalation.
|
|
Oblique Fissure
|
Separates left lung into superior and inferior lobes, separates the inferior lobe from the middle lobe in the right lung.
|
|
External Respiration
|
Exchange of gases between the lungs and blood
|
|
Internal respiration
|
Exchange of gases between the blood and tissues
|
|
Boyles Law
|
The diaphragm contracts and causes the thoracic cavity to expand, decreasing the internal pressure below 760 mm Hg, allowing air from the atmosphere to rush in.
|
|
Tidal Volume
|
Amount of air inspired and exhaled during a normal resting breath.
|
|
Inspiratory Reserve Volume (IRV)
|
Amount of air that can be forcibly inspired above a normal inhalation
|
|
Expiratory Reserve Volume (ERV)
|
Amount of air that can be forcefully exhaled after a normal exhalation.
|
|
Residual Volume
|
Amount of air that cannot be forcefully eshaled from the lungs.
|
|
Mucosa
|
Lines the digestive lumen
|
|
3 layers of the Mucosa
|
Digestive Epithelium
Lamina Propria
Muscularis Mucosae
|
|
Digestive Epithelium
|
Only mucosal layer exposed to the digestive tract.
Consists of stratified squamous epithelium from the mouth to the esophagus, then simple columnar epithelium after that.
|
|
Lamina Propria
|
Layer of connective tissue that lies beneath the digestive epithelium
Contains blood vessels, lymphatic vessels, and nerves.
|
