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Respiratory System 22 AP II Lecture Part 1

Anatomy and Physiology30 CardsCreated 4 months ago

This deck covers key concepts and components of the respiratory system, including its functions, processes, and anatomical structures.

What is the function of the respiratory system?

To supply the body with oxygen and remove carbon dioxide.
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Key Terms

Term
Definition
What is the function of the respiratory system?
To supply the body with oxygen and remove carbon dioxide.
What are the 4 main processes that make up respiration?
Ventilation, external respiration, transport, and internal respiration.
What is ventilation?
To breath, to move gas into and out of the lungs.
What is external respiration?
Exchange of gas between the lungs and the blood.
Describe the transport process.
The transport of that oxygen-rich blood out to the tissues and then carbon dioxide-rich blood back to the lungs.
What is internal respiration?
The exchange of gas between the blood and the tissues.

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TermDefinition
What is the function of the respiratory system?
To supply the body with oxygen and remove carbon dioxide.
What are the 4 main processes that make up respiration?
Ventilation, external respiration, transport, and internal respiration.
What is ventilation?
To breath, to move gas into and out of the lungs.
What is external respiration?
Exchange of gas between the lungs and the blood.
Describe the transport process.
The transport of that oxygen-rich blood out to the tissues and then carbon dioxide-rich blood back to the lungs.
What is internal respiration?
The exchange of gas between the blood and the tissues.
List the organs of the respiratory system.
Nose, pharynx, larynx, trachea, and bronchi.
Describe the conducting zone of the respiratory system.
Large macroscopic parts nose, pharynx, larynx, trachea, and the bronchi
Describe the respiratory zone of the respiratory system.
Microscopic parts bronchioles, alveolar ducts, and the alveoli.
Functions of the nose.
An airway for respiration. It moistens, warms, filters and cleanses the air. It provides a resonation chamber for speech and the nose houses the olfactory receptors
Main attribute of the sinus?
It lightens the bone.
3 divisions of the pharynx?
Nasopharynx, and oropharynx, and a laryngopharynx
Function of the nasopharynx.
A passageway for air.
Function of the oropharynx.
A passageway for air and food.
Function of the laryngopharynx.
A passageway for air and food.
Where is the voice box located?
In the larynx
3 functions of the larynx.
Passageway for air, switchbox air and food, and the vocal folds, voice.
Location of the windpipe.
In the Trachea extends through the mediastinum, held in place by C-shaped cartilages
Where is our ciliary escalator located?
In the trachea.
Describe the structure and function of the respiratory membrane.
One simple squamous epithelial cell on the alveolar side, some connective tissues fibers, and one simple squamous epithelial cell on the capillary side. Gas exchanges by simple diffusion.
What do the terminal bronchioles feed into?
The respiratory bronchioles
Pathway from the respiratory bronchioles.
The respiratory bronchioles lead into little winding alveolar ducts and then into little terminal clusters of alveoli, the alveolar sacks.
How many lobes does the right lung have?
3 lobes
How many lobes does the left lung have?
2 lobes
Does the pulmonary circuit nourish the lungs?
No, it brings blood for oxygenation.
Where do the pulmonary arteries come from?
The aorta.
Describe the pleura coverings.
We have parietal pleura that lines the thoracic cage, the outside wall, and a visceral pleura that covers the external surface of the lungs. We secrete pleural fluid in the pleural cavity.
What is Pleurisy?
Inflammation of the pleura.
Respiratory pressures are described relative to what?
Atmospheric pressure.
What is Intrapulmonary pressure?
The pressure in the alveoli