The Respiratory System
interesting facts about the respiratory
system
•Approximately, 1,500 miles of airways are present in human lungs.
•In human beings, the right lung is larger than left lung for
accommodating the heart.
•Yawning happens when the brain detects low oxygen levels in lungs and
it triggers back the response to the body, so that it can intake large
amounts of oxygen.
•We breathe about 9 to 20 times every minute; which is equivalent of
breathing 13 pints of air every minute.
•Guinness World Records lists that Charles Osborne of Anthon, Iowa as
record holder for hiccupping. For 68 years, he hiccupped.
•The fasted recorded sneeze is 120 miles per hour in speed.
•A cold virus can survive on a stable object for nearly 3 days. It is a must to
clean certain things, like doorknobs, which everyone touches.
•The droplets that come out while coughing can travel up to 3 feet. So,
people are suggested to cover mouths while coughing.
We have to learn WHAT????
Class notes
The respiratory system is the system of the body that deals
breathing
with ________________.
When we breathe, the body
oxygen
takes in the ________________________
that it needs and
carbon
dioxide
removes the __________________
___________________
that
it does not need. The organ most closely connected with
lungs
this system are the _______________.
BREATHING (starting from the top down):
mouth
Air enters the _______________
and
nose
_________________/nasal
cavity.
Tiny hairs, called cilia
_________________,
line the inside of the nasal
cavity
where it warms and humidifies
the
air we breathe and traps dust
to
prevent it from entering the
pharynx
The throat, or the _____________,
carries food and air to the body.
It sends air to the lungs and food
to the esophagus.
larynx is a structure
The ____________
which contain your vocal cords
and produce sounds.
trachea
The ______________
is a cartilage
covered tube which connects
the larynx to the left and right lung.
bronchus
The left and right _______________
are large tubes that branch from
the trachea to the lobes of the
lungs. The plural form is bronchi.
bronchioles which are tens of
The left and right lung contain _________________,
thousands of tiny branching tubes in the lungs.
alveoli
At the end of each bronchiole are the
___________, or the
“leaves” of the respiratory tree. They resemble bunches of
grapes and they are the link between the respiratory and
circulatory systems. The exchange of carbon dioxide and
oxygen occurs here.
diaphragm
The _______________ is a muscular structure that acts as a floor to the
chest cavity. It helps to expand and contract the lungs.
The Respiratory System Links
Labeling game:
http://www.neok12.com/diagram/Respiratory-System-01.htm
Videos showing the breathing process:
http://www.neok12.com/php/watch.php?v=zX7a51620305036844477
802&t=Respiratory-System
http://www.neok12.com/php/watch.php?v=zX5a5b076c436a5b690d
0373&t=Respiratory-System
http://www.elearningforkids.org/Courses/Liquid_Animation/Body_Part
s/Respiratory_System/index.html