Grade 9 Respiratory System

3. Tune of the Song RUDE by Magic
By: Tri Meilani Ameliya
Pharynx, larynx, bronchus,
Bronchioles and alveoli
You know you can learn with me I
will tell you everything I know
I hate to do this, you leave no
choice
Can’t live without air
Love it or hate it
You have to learn
So open your book

4. Chorus:
The system made of your lungs
We breathe in, diaphragm goes down,
We breathe out diaphragm goes up,
And that’s how our body breathe
Pre-chorus:
Can you tell me everything I need to
know
Say yes say yes, cause I need to
know
You said I’ll never understand it til I
learn again
What happens inside Respiratory
System

5. Nose to pharynx
Pharynx lead to lungs
Travel all around
In your body up and down
Oxygen in, then CO2 comes out
And without all of it, we will die

6. Sinusitis, laryngitis, pharyngitis
Emphysema, asthma, bronchitis
There are many respiratory disease
We know that happen inside
Our Breathing System.

7. Chorus:
The system made of your lungs
We breathe in, diaphragm goes down,
We breathe out diaphragm goes up,
And that’s how our body breathe
Pre-chorus:
Can you tell me everything I need to
know
Say yes say yes, cause I need to
know
You said I’ll never understand it til I
learn again
What happens inside Respiratory
System

8. Nose to pharynx
Pharynx lead to lungs
Travel all around
In your body up and down
Oxygen in, then CO2 comes out
And without all of it, we will die

9. Chorus:
The system made of your lungs
We breathe in, diaphragm goes down,
We breathe out diaphragm goes up,
And that’s how our body breathe
Pre-chorus:
Can you tell me everything I need to
know
Say yes say yes, cause I need to
know
You said I’ll never understand it til I
learn again
What happens inside Respiratory
System

10. Nose to pharynx
Pharynx lead to lungs
Travel all around
In your body up and down
Oxygen in, then CO2 comes out
And without all of it, we will die

11. After our lesson, you are expected to:
1. explain how the respiratory and circulatory systems work
together to transport nutrients, gases, and other molecules to and
from the different parts of the body (S9LT-Ia-b-a6);
a. discuss the function of each part of the respiratory and
circulatory system;
b. explain how air moves in and out of the lungs through
observing the lung model;
c. describe the blood flow in the human body.:

12. Respiratory
System

14. • NOSE
- use to inhale and exhale
- nostrils through which air passes
(the skin lining is embedded with tiny
hairlike called cilia)
• MOUTH
- use to breathe when we need
more air than what can be taken in
through the nostrils, as when we pant
or puff when we are exhausted.

15. • PHARYNX
- opening just behind the nose and mouth
- part of both the respiratory and digestive
systems
- lined with tissues called tonsils which can
partially obstruct the passage of either air or food
- ends in the esophagus and the larynx.
• The LARYNX
- " voice box "
- houses the vocal chords and the different muscles used in
producing sounds.
- epiglottis , a cartilage found at the top of the larynx, aids in closing
it tightly to prevent the passage of food or liquids.

17. • TRACHEA
- windpipe
- a tube through which respiratory gas
transport takes place
- lined with ciliate cells to push particles out,
and cartilage rings to guard it against pressure
when breathing
- its end is split into two tubes called the bronchi
• BRONCHI
- has several thin walled branches called bronchioles. These
bronchioles lead to air sacs called alveoli, where most of the gas
exchange happens.

18. - most essential organ for
respiration.
- consist of a cluster of bronchioles
and alveoli, blood vessels, and elastic
tissue
- main function: to transfer oxygen
into the bloodstream, and to excrete
carbon
dioxide into the air.

19. - the muscle that is
responsible for breathing

20. According to Alvarez et. al. (2014),
“Breathe in or inhale, your diaphragm muscle contracts. When you inhale your
diaphragm moves down and expands the chest cavity. At the same time the ribs
move up and increase the size of the chest cavity. There is now more space and
less air pressure in the lungs. The air pushes in from the outside where there is
higher air pressure. It pushes into the lungs where there is lower air pressure.”
“Breathe out or exhale, your diaphragm muscle relaxes. With regards to
diaphragm and ribs it return to their original place. The chest cavity returns to its
original size. Greater air pressure and less space inside the lungs. The air pushes
outside where there is lower air pressure.”

30. Inhalation/Inspiration:
nose → nasal cavity → pharynx → larynx → trachea →
bronchi → bronchioles → alveoli (oxygen in, carbon dioxide
out)
Exhalation/Expiration:
alveoli → bronchioles → bronchi → trachea → larynx →
pharynx → nasal cavity → nose

31. Moving air into
and from the
lungs to
facilitate gas
exchange
Movement of
oxygen from
blood cells to
tissues and carbon
dioxide from
tissues to blood
cells.

32. It’s activity time!

33. Activity no. 1
Breathe In, Breathe Out