Respiratory System...Respiratory System DHO 7.10, pg 197 Resp system made up of _____ Functions of...
Transcript of Respiratory System...Respiratory System DHO 7.10, pg 197 Resp system made up of _____ Functions of...
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Respiratory SystemOrgans and structures
HS1
DHO 7.10, PG 192
CREATED BY A. BERRYHILL & D. CASHION
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Start Day 1SLIDES 2-16
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Respiratory SystemDHO 7.10, pg 197
Resp system made up of ___________________________________
Functions of resp system= ___________________________________
O2=gas needed by all body cells
CO2=gas that is a ____________________ produced by cells when they convert food into energy
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Respiratory SystemBody has _________minute supply of O2 so resp system ___________________
Parts of resp system: ________________________________________________
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NoseNostrils (nares)=2 openings through which air enters
Nasal septum=wall of cartilage that divides the nose into 2 hollow spaces
Nasal cavities=hollow spaces, ________________________________________oAs air enters cavities it is __________________________
o_______moistens the air and helps__________________
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NoseCilia=tiny hairlike structures in nasal cavities ________________________________________________________________oThey help move the mucous layer lining the airway to push trapped particles toward
the ______________________________________
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NoseOlfactory receptors= ________________________________________
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NoseNasolacrimal ducts= _____________________________________to provide additional moisture for the air
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NoseSinuses= ___________________________________________________o Connected to nasal cavity by ______________________________
o Lined with mucous membrane that _________________________
o Provide resonance for ____________________________________
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Test Your KnowledgeWhat is the primary function of mucus and cilia in the nostrils?
A) Sound production
B) filtration
C) temperature control
D) respiration
Correct Answer:
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Test Your KnowledgeWhere are the sinuses located?
A) In the front lobe of the brain
B) In the skull surrounding the nasal cavity
C) Inside the nares
D) Under the cheek bones in the subq tissue
Correct Answer:
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PharynxAKA ________________
Lies behind nasal cavities
As air leaves nose it enters pharynx
Divided into 3 sections:
________________________________
________________________________
________________________________
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PharynxNasopharynx:
Upper portion of _______________
Located behind nasal cavities
Contains ________________(adenoids)
Contains ___________________ tube openings
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PharynxOropharynx:
__________________of pharynx
Located behind oral cavity
Receives air from nasopharynx
Receives _______________________
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PharynxLaryngopharynx:
Bottom section of pharynx
________________ & ________________________off here
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Test Your Knowledge (end for day one)
What structure is the passageway for both food and air?
A) pharynx
B) bronchus
C) trachea
D) larynx
Correct Answer:
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Start Day 2SLIDES 16-32
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LarynxAKA _____________________
Lies between ___________________
Has 9 layers of cartilage
Largest cartilage (________ cartilage)
AKA ____________
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LarynxContains 2 folds= __________________________
_________________________=opening between vocal cords
Vocal cords _________________________________when air leaves the lungs
_____________________________act on the sound to produce speech
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LarynxEpiglottis=leaflike piece of cartilage that ___________________________during swallowing to prevent ________________________from entering resp tract
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Test Your KnowledgeIf your epiglottis were to suddenly stop working, what activity could be life threatening?
A) breathing
B) walking
C) coughing
D) Eating
Correct Answer: D
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TracheaAKA ___________________________
Tube that extends from _______________________________
Carries air between _______________________________
Series of ______________ cartilages (which are open on _______________) help keep trachea open
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Test Your KnowledgeThe nostrils, larynx, and trachea are all made primarily of:
A) cartilage
B) bone
C) muscle
D) tendons
Correct Answer:
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BronchiRight and Left bronchus _________________________near the center of the chest
Right bronchus is ______________________________than left _______________________
Each bronchus enters a lung and carries air from trachea to lung
Each bronchus continues to divide into smaller and smaller bronchi in the lungs
Smallest branches of the bronchi are _________________
Smallest bronchioles called ______________________ end in air sacs (_______________)
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Test Your KnowledgeWhat structure connects the larynx to the bronchi?
A) pleura
B) oropharynx
C) trachea
D) bronchioles
Correct Answer:
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AlveoliAlveoli resemble bunch of grapes
Adult lung has about 500 million alveoli
Made up of ______________________________________and network of blood capillaries
Capillaries allow ____________________________ between ________________________.
Inner surfaces are covered with lipid (fatty) substance called _________________________.
Surfactant helps prevent ______________________________.
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LungsLocated in ________________________
Right lung has 3 sections or lobes: ________________________________
Left lung has 2 sections or lobes: ________________________________
Why does left lung only have 2 sections?
The heart is located _________________of the chest
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PleuraEach lung is enclosed in __________________ called the pleura
Pleura has 2 layers of serous membrane: ___________________________________________
Visceral pleura=attached ______________of the lung
Parietal pleura=attached _______________________
__________________is located between the 2 layers and is filled with _____________________________.
Pleural fluid= _________________________& prevents ___________________________________.
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Test Your KnowledgeIf a person could not produce surfactant, his/her:
A) alveoli would collapse
B) bronchi would collapse
C) vocal chords would not vibrate
D) epiglottis would close
Correct answer:
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Test Your KnowledgeWhere in the respiratory tract does the exchange of oxygen and carbon dioxide take place?
A) larynx
B) bronchi
C) trachea
D) alveoli
Correct answer:
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Test Your KnowledgeYour lungs are divided into lobes. How many lobes do you have?
A) one
B) two
C) five
D) four
Correct Answer:
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Test Your Knowledge(end day 2)
What does the pleura allow your lungs to do?
A) expand during breathing
B) trap dust and other particles
C) keep the alveoli distended
D) cough
Correct Answer:
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Start Day 3SLIDES 32-38, THE END OF PRESENTATION
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Process of Breathing, DHO 7.10, pg 199Ventilation= ______________________________
Breathing is the __________________________of moving air in and out of the lungs.
Ventilation has 2 phases: _____________________
Inspiration=__________; process of breathing air IN
Expiration= ___________; process of breathing OUT
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Inspiration & ExpirationDiaphragm= _________________ muscle between thoracic and abdominal cavities
For inspiration the diaphragm & intercostal muscles ________________the thoracic cavity to create a vacuum. Air ____________through the airways to the alveoli where gas exchange happens.
When diaphragm & intercostal muscles _______________, expiration happens as air _______________________of lungs & air passages.
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RespirationRespiration=process of ______________________
Respiration is controlled by respiratory center in _____________________________________.
An ______________________________in blood or ________________________________as seen in some diseases causes the respiratory center to _____________________________.
Respiration is usually involuntary but you can control rate by ____________________________.
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Stages of Respiration:External & Internal
EXTERNAL
External respiration=exchange of O2 and CO2 between _____________ and _________________________
Due to the concentration levels, O2 in alveoli enters capillary blood then CO2 carried in capillary blood moves to alveoli where it is expelled during exhalation
INTERNAL
Internal respiration=exchange of CO2 and O2 between ______________and ________________________
Due to the concentration levels, O2 carried in blood leaves the capillaries and enters tissue cells & CO2 leaves cells and enters blood to be transported back to lungs for external respiration
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Cellular RespirationCellular respiration=the _______________use the delivered O2 to make _________________________.
Then, CO2 leaves the cells and enters the bloodstream (because CO2 concentration is higher in the cells than bloodstream) to be transported back to the lungs, for ______________________to take place!!
Everything has come full circle at this point, and it starts all over again!
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Test Your KnowledgeIn the process of breathing, during what stage does the movement of the diaphragm enlarge the thoracic cavity?
A) internal respiration
B) external respiration
C) inspiration
D) expiration
Correct Answer:
During cellular respiration, what happens to the carbon dioxide?
A) it leaves the alveoli and is exhaled from the lungs
B) it leaves the bloodstream and enters the alveoli
C) it leaves the cells and enters the bloodstream
D) it leaves the alveoli and enters the bloodstream
Correct Answer: