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Science V
Describes the function of
each respiratory organ
Name the
parts of the
respiratory
system
Review
Where does air enter?
Motivation
•Group I - Name the organs of the
respiratory system and cite the
functions of these
•Group II - Name the body parts that
protect the lungs and infer how
they protect the lungs.
•Group III - Name the parts of the lungs
and describe each part.
Presentation
The
organs of
the
respiratory
system
and their
functions.
Concept Formation
Concept Formation
Upper Respiratory Tract
Upper Respiratory Tract Functions
 Passageway for respiration
 Receptors for smell
 Filters incoming air to filter larger
foreign material
 Moistens and warms incoming air
 Resonating chambers for voice
Lower Respiratory Tract
Lower Respiratory Tract Functions
 Larynx: maintains an open airway, routes
food and air appropriately, assists in
sound production
 Trachea: transports air to and from lungs
 Bronchi: branch into lungs
 Lungs: transport air to alveoli for gas
exchange
The body parts
that protect the
lungs and how
they protect the
lungs.
Concept Formation
Your lungs are protected by your rib
cage, which is made up of 12 sets of
ribs. These ribs are connected to your
spine in your back and go around
your lungs to keep them safe.
Concept Formation
The parts of
the lungs and
description of
each part.
Concept Formation
Bronchi At the bottom of
the trachea or windpipe,
there are two large
tubes. These tubes are
called the main
stem bronchi and one
heads left into the left
lung, while the other
heads right into the right
lung.
Bronchioles Each main stem bronchus
then branches off into
tubes that get smaller and
even smaller still, like
branches on a big tree.
The tiniest tubes are
called bronchioles and
there are about 30,000 of
them in each lung. Each
bronchiole is about the
same thickness as a hair.
At the end of each bronchiole is a special
area that leads into clumps of teeny tiny air
sacs called alveoli .There are about 600
million alveoli in your lungs
Alveoli
Capillaries
in your blood need to line up single file just
to march through them.
Each alveolus
has a mesh-like
covering of very
small blood
vessels called
capillaries. These
capillaries are so
tiny that the cells
Each organ of the respiratory system
has a specific function to perform in
order for the system to work properly.
Like the organs, each one of us has a
function to perform. Do you do your
job in order for the system to work
properly? Do you cooperate?
Application
Examine the organs of the
respiratory system. Write the
name of the part corresponding
to each number. State the
function or brief description of
each organ.
Evaluation
Evaluation
Write the name
of the part
corresponding
to each
number. State
the function or
brief description
of each organ.
Assignment
Bring the following
•an empty stick-o/1.5 soft drinks bottle
•a Y-shaped glass tube
•rubber bands and clay
•two small and one big balloons
•pair of scissors

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1st science 12 describes the function of each respiratory organ

  • 1. Science V Describes the function of each respiratory organ
  • 2. Name the parts of the respiratory system Review
  • 3. Where does air enter? Motivation
  • 4. •Group I - Name the organs of the respiratory system and cite the functions of these •Group II - Name the body parts that protect the lungs and infer how they protect the lungs. •Group III - Name the parts of the lungs and describe each part. Presentation
  • 8. Upper Respiratory Tract Functions  Passageway for respiration  Receptors for smell  Filters incoming air to filter larger foreign material  Moistens and warms incoming air  Resonating chambers for voice
  • 10. Lower Respiratory Tract Functions  Larynx: maintains an open airway, routes food and air appropriately, assists in sound production  Trachea: transports air to and from lungs  Bronchi: branch into lungs  Lungs: transport air to alveoli for gas exchange
  • 11. The body parts that protect the lungs and how they protect the lungs. Concept Formation
  • 12. Your lungs are protected by your rib cage, which is made up of 12 sets of ribs. These ribs are connected to your spine in your back and go around your lungs to keep them safe. Concept Formation
  • 13. The parts of the lungs and description of each part. Concept Formation
  • 14. Bronchi At the bottom of the trachea or windpipe, there are two large tubes. These tubes are called the main stem bronchi and one heads left into the left lung, while the other heads right into the right lung.
  • 15. Bronchioles Each main stem bronchus then branches off into tubes that get smaller and even smaller still, like branches on a big tree. The tiniest tubes are called bronchioles and there are about 30,000 of them in each lung. Each bronchiole is about the same thickness as a hair.
  • 16. At the end of each bronchiole is a special area that leads into clumps of teeny tiny air sacs called alveoli .There are about 600 million alveoli in your lungs Alveoli
  • 17. Capillaries in your blood need to line up single file just to march through them. Each alveolus has a mesh-like covering of very small blood vessels called capillaries. These capillaries are so tiny that the cells
  • 18. Each organ of the respiratory system has a specific function to perform in order for the system to work properly. Like the organs, each one of us has a function to perform. Do you do your job in order for the system to work properly? Do you cooperate? Application
  • 19. Examine the organs of the respiratory system. Write the name of the part corresponding to each number. State the function or brief description of each organ. Evaluation
  • 20. Evaluation Write the name of the part corresponding to each number. State the function or brief description of each organ.
  • 21. Assignment Bring the following •an empty stick-o/1.5 soft drinks bottle •a Y-shaped glass tube •rubber bands and clay •two small and one big balloons •pair of scissors