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RESPIRATORY
SYSTEM
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Function of Respiratory System
To provide to enter the bloodstream where it will be carried to every cell for the process of . This produces for .
oxygen
Aerobic respirationenergy
metabolism
In addition, this system allows to be exhaled from the body.
carbon dioxide
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So how do organisms Respire?
diffusion
skin
spiracles/tracheal tubes
stomates
gills
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nosemouth
Human Respiratory System
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The Nasal Cavity has space which the air, mucus membranes which the air and nose hairs which
the air.
warmsmoisten
filter
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nosemouth
Human Respiratory System
pharynxlarynx
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How do you speak/choke/have food come out your nose? Eww!!
Uvula, but what’s that hanging off it?
Adam’s apple
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nosemouth
Human Respiratory System
pharynxlarynx
trachea
bronchi bronchi
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Bronchi and trachea: Rings of cartilage to keep open, mucus and beating hairs to clear passageway
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nosemouth
Human Respiratory System
pharynxlarynx
trachea
bronchi bronchi
lung
bronchiole
alveoli
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Lungs contain bronchioles and alveoli.
bronchiole1.
2. alveoli
3. capillary
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nosemouth
Human Respiratory System
pharynxlarynx
trachea
bronchi bronchi
lung
bronchiole
alveolidiaphragm
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So……why do we breathe? And how?
We mostly breathe to rid ourselves of CO2
Inhale: ribs up and out, diaphragm down.
Exhale: ribs down, diaphragm up.
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Respiratory Disorders: ASTHMA
Causes release of histamine which…
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…causes a runny nose, sneezing, itchy, watery eyes and possibly-
ASTHMA!
antihistamineinhaler
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Respiratory disorders: BRONCHITIS
Inflammation caused by: virus, bacteria, asthma, smoking
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Smoking causes:
Bad hair!
Bad stink!Bad teeth!
Bad skin!
ADDICTION!!
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That was then…
This is now!
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Smoking causes: EMPHYSEMA
Alveoli are overstretched and lose their elasticity
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Mount Everest: Mount Everest: 29,032 ft above sea level29,032 ft above sea level
Mauna Kea, HawaiiMauna Kea, Hawaii
13,000 ft above sea level 13,000 ft above sea level (33,000 ft from the sea floor!)(33,000 ft from the sea floor!)
Chimborazo, EcuadorChimborazo, Ecuador
20,500 ft above sea level20,500 ft above sea level
Farthest point from the Farthest point from the Earth’s CenterEarth’s Center
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Mt. Everest Base CampMt. Everest Base CampTibet, 18,000 ftTibet, 18,000 ft
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Memorials to lost climbersMemorials to lost climbers
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Camp 1: 19,100 ftCamp 1: 19,100 ft
Oo Nien and Katie
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You must all be High!!!