Respiratory System Flashcards
The primary function is to ____so oxygen can be carried to the tissues in the body
oxygenate blood
The secondary function of the respiratory function is ____
temperature regulation and phonation
The respiratory system carries ____ to body tissues (metabolism) and carries _____ from tissues (waste)
O2
CO2
What is phonation
“talking”
Why is it important to understand the physiology of respiration?
To properly condition/evaluate the physical condition of the horse
Why is it important to know the anatomy of the respiratory system?
To correctly pass a stomach tube down esophagus and not the trachea to the lungs
The respiratory system is a series of ____ that connect lungs with ____
air passages
external air
The air passages include:
- upper airways
- tracheobronchial airways
- lungs
What is the pharynx?
cavity located at the back of the nasal passages and the mouth; it acts as a “switchboard”
_____ - cavity located at the back of the nasal passages and the mouth; acts as a “switchboard”
Pharynx
What is the trachea?
leads to the lungs
_____ - leads to the lungs
trachea
What is the esophagus?
leads to the stomach
_____ - leads to the stomach
esophagus
What is the epiglottis?
cartilage trap that serves to prevent food from entering the larynx when swallowing occurs
_____ - cartilage trap that serves to prevent food from entering the larynx when swallowing occurs
Epiglottis
What is the larynx?
serves to regulate the flow of air into the trachea and to prevent the inspiration of foreign objects
_____ - serves to regulate the flow of air into the trachea and to prevent the inspiration of foreign objects
larynx
What are the vocal cords?
two muscles that project across the lower part of the larynx
_____ - two muscles that project across the lower part of the larynx
vocal cords
Paralysis of one or both of these result in roaring when the horse inhales
vocal cords
What is the trachea?
A non collapsible tube about 2 inches in diameter and made up of rings of cartilage
The trachea is lined with ___ kinds of cells, which are:
Two;
- mucus secreting cells (lubricate it)
- ciliated cells (lined with tiny hairs that continually beat upward and push impurities up and out of trachea)
The trachea divides into __1__ which subdivide into __2__ which further subdivide into __3__ further branching occurs resulting in __4__ or __5__
- left/right bronchi
- pulmonary bronchi
- inter pulmonary bronchi
- alveoli
- air sacs