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BRONCHI AND BRONCHIAL TREE...
1. TRACHEA DIVIDES INTO RIGHT BRONCHUS AND LEFT BRONCHUS (R & L BRONCHI)
2. THESE EACH BRANCH AS THEY ENTER THE UPPER LOBES OF THE LUNGS AND CONTINUE TO BRANCH SMALLER AND SMALLER TO THE SMALLEST BRANCHES CALLE - .
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FUNCTION OF THE BRONCHI AND BRONCHIAL TREE
PASSAGEWAY FOR AIR
CARTILAGE IN THE WALLS ALL THE WAY DOWN TO THE BRONCHIOLES WHICH DO NOT HAVE CARTILAGE. THEY HAVE SMOOTH MUSCLE. WHICH CONTRACT (CONSTRICT) AND RELAX (DILATE) - .
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AT THE END OF THE BRONCHIOLES ARE MILLIONS OF AIR SACS CALLED
ALVEOLI - .
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ALVEOLI..(AIR SACS)
1. WALLS ARE ONE CELL LAYER THICK, SIMPLE SQUAMOUS EPITHELIUM
2. SURROUNDED BY A NETWORK OF PULMONARY CAPILLARIES
3. GAS EXCHANGE OCCURS HERE
4. SURFACTANT IS A SUBSTANCE SECRETED BY THE ALVEOLAR CELLS THAT R - .
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LUNGS
1. BRONCHIAL TREE AND ALVEOLI (STRUCTURES OF THE LUNG
LOCATED IN THE THORACIC CAVITY
PROTECTED BY RIB CAGE - .
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LUNGS....
1. RIGHT LUNG HAS 3 LOBES
2. LEFT LUNG HAS 2 LOBES
3. BASE-BROAD LOWER PORTION THAT REST NEAR DIAAPHRAM
4. APEX--NARROW UPPER PORTION UNDER CLAVICLE
5. MEDIASTINUM--AREA BETWEEN THE LUNGS - .
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LUNGS...
1. PLEURA--SEROUS MEMBRANE OF THORACIC CAVITY
2. PARIETAL PLUERA LINES THE THORACIC CAVITY
3. VISCERAL PLEURA COVERS SURFACE OF THE LUNGS
4. PLEURA SPACE OR PLEURA CAVITY--AREA BETWEEN PLEURA THAT CONTAINS A SMALL AMOUNT OF S - .
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PLEURO--PLEURA
THORACO--THORACIC
LAYRNGO--LARYNX
NASO-, RHINO--NOSE
PULMONO--LUNGS
PYO--PUS - .
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ATELO--INCOMPLETE?
TRACHEO--TRACHEA
-PNEA--BREATHING
-OSTOMY--CUTTING, SURGICAL INCISION
PNEUMO-, PNEUMONO---LUNG, AIR
-CENTESIS--SURGICAL PUNCTURE TO REMOVE FLUID - .
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PHARYNGO--PHARYNX
OXO-, OXI-, OXY---OXYGEN
SPIRO--BREATH, BREATHING
-ECTASIS---STRETCHING,DILATION,ENLARGE
ORTHO--STRAIGHT, NORMAL, BREATHING
BRONCHI--BRONCHIAL TUBE, WINDPIPE
-CAPNIA--SMOKE, CARBON DIOXIDE - .
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FUNCTION OF THE RESPIRATORY SYSTEM?
SUPPLY THE BODY WITH OXYGEN AND RID OF THE WASTE PRODUCTS..CARBON DIOXIDE
PLUS...
SPEECH, SMELL, WATERBALANCE, ACIDBASE BALANCE - .
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BASIC STRUCTURE OF THE RESPIRATORY SYSTEM?
1. NASAL CAVITIES
2. PHARYNX
3. LARYNX
4. TRACHEA
5. BRONCHI
6. LUNGS (BRONCHIAL TREE & ALVEOLI) - .
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2ND DIVISION OF THE RESPIRATORY TRACT
2. LOWER RESPIRATORY TRACT
TRACHEA, BRONCHI, LUNGS - .
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NASAL CAVITY (NOSE)
1. NOSE MADE OF BONE & CARTILAGE COVERED WITH SKIN
2. NASAL CAVITIES DIVIDED BY NASAL SEPTUM
3. OPENINGS ARE CALLED NOSTRILL OR "NARES"
4. NASAL HAIR / NARE HAIR FILTERS THE AIR - .
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NASAL CAVITY (NOSE) CONTINUED
5. VASCULAR (BLOOD VESSELS) WARMS AIR
6. CONCHAE OR TURBINATIS-SHELF-LIKE BONES ON THE LATERAL WALL OF THE NASAL CAVITIES THAT INCREASE THE SURFACE
7. OLFACTORY RECEPTOR IN THE MUCUS MEMBRANE, SENSITIVE TO SME - .
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FUNCTION OF THE NOSE...
1. SMELL
2. A PASSAGE WAY FOR AIR
3. WARMS, MOISTENS AND FILTERS AIR - .
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** PARANASAL SINUSES (SINUSES ARE HOLLOWED AREAS OF THE BONE)
1. FRONTAL, MAXILLARY, ETHMOID, SPHENOID
2. MUCOUS MEMBRANE LINING THAT IS CONTINOUS W/NASAL CAVITIES
FUNCTIONS:: LIGHTEN SKULL AND GIVE RESONANCE TO YOUR VOICE. - .
- SINUSES ARE ACTUALLY PART OF THE SKELETAL SYSTEM...
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PHARYNX
3 PARTS...
1. NASOPHARYNX-AIR
2. OROPHARYNX-FOOD
3. LARYNGOPHARYNX-FOOD
FUNCTION: PASSAGEWAY FOR AIR & FOOD - .
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LIVULA...(CONE SHAPED STRUCTURE) DIRECTS FOOD AND FLUID INTO OROPHARYNX
HANGING THING IN BACK OF THROAT... - .
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EUSTACHIAN TUBE: CONNECTS MIDDLE EAR TO NASOPHARYNX
PHARENGEAL TONSILS...IN NASOPHARYNX
PALENTINE TONSILS...OROPHARYNX - .
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LARYNX (VOICE BOX)
FUNCTION: PRODUCE SOUND / SPEECH / PASSAGEWAY FOR AIR - .
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LARYNX (VOICE BOX)
MADE OF CARTILAGE PCS.
LINED W/MUCOUS MEMBRANE THAT FOLDS THAT VIBRATE AS AIR FLOWS PAST THEM (CALLED VOCAL CORDS) - .
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EPIGLOTTIS..PCS OF CARTILAGE THAT CLOSES OVER THE TOP PART OF THE LARYNX WHEN WE SHALLOW TO PREVENT ENTRY OF FOOD OR FLUIDS INTO THE LARYNX
STRONG REFLEX FOR COUGH IN LARYNX - .
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TRACHEA..(WINDPIPE)..
1. ABOUT 4.5 INCHES LONG (15-20 PCS OF CARTILAGE)
2. MADE OF 15-20 "C" SHAPED CARTILAGES, ONE ABOVE THE OTHER W/OPENING OF THE "C" POSTERIOR TO ALLOW THE ESOPHAGUS TO BULGE WHEN SWALLOWING FOOD
3. - ,
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DIVISIONS-----
1. UPPER RESPIRATORY TRACT
NASAL CAVITY, PHARYNX, LARYNX
(nose,mouth,pharynx, epiglottis,larynx - .
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SINUSES PRODUCE MUCUS--
1. LINED W/MUCOUS MEMBRANE CALLED RESPIRATORY MUCOSA
2. A LAYER OF MUCUS PURIFIES THE INHALED AIR BY BEING STICKY
3. PRODUCE ABOUT 125CC OF MUCOUS PER DAY
4. CILIA IN TRACHEA AND BRONCHIAL TREE SWEEP MUCUS TOWA - .
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THE REGION BETWEEN THE LUNGS IS CALLED THE MEDIASTINUM
IT CONTAINS THE
HEART, AORTA, ESOPHAGUS, TRACHEA, BRONCHIAL TUBES AND THYMUS - .
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PARANASAL SINUSES:
MAXILLARY SINUSES--LOCATED IN THE MAXILLARY BONES, ARE THE LARGEST OF THE PARANASAL SINUSES - .
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PARANASAL SINUSES;
ETHNOID SINUSES, LOCATED IN THE ETHMOID BONES, ARE IRREGULARLY SHAPED AIR CELLS, SEPARATED FROM THE ORBITAL (EYE)CAVITY ONLY BY A THIN LAYER OF BONE - .
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PARANASAL SINUSES;
FRONTAL SINUSES; LOCATED IN THE FRONTAL BONE JUST ABOVE THE EYES - ,
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PARANASAL SINUSES;
SPHENOID SINUSES; LOCATED IN THE SPHENOID BONE, ARE CLOSE TO THE OPTIC NERVES. AN INFECTION HERE CAN DAMAGE VISION. - .
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CARBON DIOXIDE LEVEL OF BLOOD
IS MORE POWERFUL
THAN OUR CONSCIOUS! - .
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CEREBRAL CORTEX
ALLOWS US TO VOLUNTARY CONTROL
OUR RESPIRATIONS
(SPEED, SLOW, HOLD BREATH) - ,
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PONS
HELP KEEP
BREATHING RHYMTHIC - .
- THE CAROTID AND AORTIC BODIES ARE SENSITIVE TO INCREASED CARBON DIOXIDE AND DECREASED PH
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