our body our systems teacher: br. nassry student: mosabbiha nafisah
TRANSCRIPT
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Our Body Our
SystemsTeacher: Br. NassryStudent: Mosabbiha Nafisah
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The R
espi
rato
ry
Syste
m
Respiratory System
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The respiratory system is used to exchange gases between the human body and its environment.
Internally, it helps exchange oxygen with the carbon dioxide in the blood.
Respiratory System
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The major organ involved in respiration is the lungs. \Every animal, with the exception of fish, have two lungs.
Respiratory System
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Respiratory System
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Nose
Respiratory System
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Nose
Respiratory System
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Pharynx
Respiratory System
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Pharynx
Respiratory System
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Larynx
Respiratory System
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Larynx
Respiratory System
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Trachea
Respiratory System
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Trachea
Respiratory System
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BronchiBronchioles
Respiratory System
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BronchiBronchioles
Respiratory System
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Alveoli
Respiratory System
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Alveoli
Respiratory System
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How Does The Respiratory System Work?
Respiratory System
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The
Nos
e
Air (oxygen) is breathed in through the nose.
Nose hairs help keep out unwanted particles.
Respiratory System
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Unwanted ParticlesOxygen
Respiratory System
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Unwanted ParticlesOxygen
Respiratory System
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Unwanted ParticlesOxygen
Respiratory System
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Unwanted ParticlesOxygen
Respiratory System
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The walls inside the nose are lined with membranes containing two types of cells. Some are ciliated while others produce mucous.
Respiratory System
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The walls inside the nose are lined with membranes containing two types of cells. Some are ciliated while others produce mucous.
Respiratory System
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Together , the mucous and cilia prevent most dust and other particles from traveling any farther.
Respiratory System
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Together , the mucous and cilia prevent most dust and other particles from traveling any farther.
Respiratory System
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The mucous is wet and sticky which helps it moisten the air.
Respiratory System
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The mucous is wet and sticky which helps it moisten the air.
Respiratory System
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As the air travels through the nasal passages, it is warmed by the capillaries running nearby.
Respiratory System
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As the air travels through the nasal passages, it is warmed by the capillaries running nearby.
Respiratory System
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Thus, the nose helps clean, moisten, and warm the air
in the beginning of the process.
Respiratory System
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Pharynx
Larynx
Respiratory System
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PharynxLarynx
The pharynx runs from behind the nasal passages and mouth to just above the larynx
Respiratory System
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PharynxLarynx
The pharynx is part of both the respiratory and the digestive systems. It is the throat.
Respiratory System
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PharynxLarynx
After the oxygen passes through the pharynx, it enters the larynx. The larynx is also where the voice box is located.
Respiratory System
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Trachea
The larynx is followed by the
trachea.
Respiratory System
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The trachea is about 12
centimeters long and it is lined by
bands of cartilage for support.
Respiratory System
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The trachea is about 12
centimeters long and it is lined by
bands of cartilage for support.
Respiratory System
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Respiratory System
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Ciliated goblet cells
The trachea, like the nasal passages, have cilia lined mucous membranes.
Respiratory System
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Ciliated goblet cells
The cilia help to remove harmful particles from the trachea.
Respiratory System
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Ciliated goblet cells
If food unintentionally falls into the trachea, the cilia help bring it back up to the pharynx.
Respiratory System
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Bronchi and
Bronchioles
Respiratory System
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The bronchi are two cartilage banded tubes
that branch out from the trachea. Each bronchi
enters one of the lungs.
Bronchi and
Bronchioles
Respiratory System
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The bronchi are two cartilage banded tubes
that branch out from the trachea. Each bronchi
enters one of the lungs.
Bronchi and
Bronchioles
Respiratory System
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Bronchi and Bronchioles
The bronchi are two cartilage banded tubes
that branch out from the trachea. Each bronchi
enters one of the lungs.
Respiratory System
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Bronchi and
Bronchioles
The two bronchi, themselves divide into
even smaller sets of tubes called the
bronchial tubes.
Respiratory System
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Bronchi and
Bronchioles
The two bronchi, themselves divide into
even smaller sets of tubes called the
bronchial tubes.
Respiratory System
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Bronchi and
Bronchioles
The bronchial tubes lose cartilage and the walls become thinner as the
tubes branch.
Respiratory System
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Bronchi and
Bronchioles
The bronchial tubes lose cartilage and the walls become thinner as the
tubes branch.
Respiratory System
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Bronchi and
Bronchioles
The bronchial tubes lose cartilage and the walls become thinner as the
tubes branch.
Respiratory System
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Bronchi and
Bronchioles
The bronchial tubes branch into bronchioles.
Respiratory System
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Bronchi and
Bronchioles
Bronchioles have thin walls without much
cartilage bands.
Respiratory System
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Alveoli
Respiratory System
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Alveoli
Respiratory System
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Alveoli
Respiratory System
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Alveoli
Alveoli are air sacs inside the lungs. Many alveoli are
bunched together like grapes at the end of each bronchiole.
Respiratory System
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Alveoli
Alveoli make up most of the lung space. The alveoli are
surrounded by many capillaries.
Respiratory System
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Alveoli
The capillaries carry carbon dioxide. The alveoli carry oxygen. The alveoli's thin respiratory surface allows
diffusion to occur.
Respiratory System
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Alveoli
The carbon dioxide and oxygen exchange. The carbon dioxide,
which is now in the alveoli, leaves the body.
Respiratory System
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Alveoli
The oxygen is now in the blood and can be used.
Respiratory System
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Lungs
Respiratory System
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Lungs
The lungs are the main organ in the respiratory system. It is where the
internal respiration occurs. Respiratory System
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
Trachea
Bronchi
Bronchial Tubes
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
Trachea
Bronchi
Bronchial Tubes
Bronchial Tubes
oxygen
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Respiratory System
Trachea
Bronchi
Bronchial Tubes
Bronchial Tubes
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Respiratory System
oxygen
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Alveoli
Respiratory System
oxygen
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Alveoli
Respiratory System
oxygenoxygen
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Alveoli
Respiratory System
oxygen
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Alveoli
Respiratory System
oxygen
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Alveoli
Respiratory System
oxygen
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Alveoli
Respiratory System
oxygen
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Alveolus
Respiratory System
oxygen
capillary Air sac
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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Alveolus
Respiratory System
oxygen
capillary
Carbon
dioxide
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The Respiratory SystemOur SystemOur Body