Transcript Respiratory System

Respiratory System
6th Grade Health with Mr. Springer
Functions/Jobs
 Take
oxygen into the body
&
 Eliminate carbon dioxide from the
body
Introduction Activity
If you can go days without food and
water…
Why couldn’t we go for more than a
couple minutes without air?
Exhaling and Inhaling
Vocabulary

Mouth:

Air enters the body through either the
open mouth or the nose. It travels
down the trachea to the lungs, where
the oxygen in it passes into the
bloodstream.
Vocabulary (cont)

Nasal passage:

Air enters the body through either the open
mouth or the nose. Tiny hairs in the nose
trap unwanted particles while a sticky liquid
called mucus catches many of the germs
before they can go too far into the
respiratory system. Mucus also warms and
moistens the air.
Vocabulary (cont)

Trachea (Windpipe):


About half of its 13 cm length is inside the
chest and the other half is in the neck. The
lower end of the trachea divides into two
bronchi (tubes) that carry air into the lungs.
Bronchi:

The lower end of the trachea divides into
two bronchi (tubes) that carry air into the
lungs. One bronchus goes to the left lung,
the other to the right lung.
Vocabulary (cont)

Bronchioles:


Each bronchus divides into smaller and
smaller tubes called bronchioles.
Alveoli:

Bronchioles eventually lead to tiny, stretchy
sacs called alveoli. These sacs blow up like
tiny balloons when you breathe in. Oxygen
from the air passes through the walls of the
alveoli into capillaries while carbon dioxide
is passed out.
Bronchi and Bronchioles
Bronchioles and Alveoli
Red Blood Cells
Vocabulary (cont)

Lung:


Balloon-like structures in the chest that
bring oxygen into the body and expel
carbon dioxide from the body.
Diaphragm:

The diaphragm is a strong muscle just
below the lungs. When your breathe in and
out, the diaphragm moves downwards and
upwards against the lungs.
A Look at the Diaphragm
Vocabulary (cont)

Epiglottis:

A flap in the throat that blocks the windpipe
when food or liquid is being swallowed.
A look Into the Lungs
A Human Lung!
Lung Conditions
We will now begin talking about the
negative affects smoking can have on
your lungs, and about lung diseases.
Lung Cancer
Healthy Lung
Facts about Smoking

Hurting Yourself
 Smoking is an addiction. Tobacco smoke
contains nicotine, an addictive drug that can
make it very hard, but not impossible, to quit.
 More than 400,000 deaths in the U.S. each
year are from smoking-related illnesses.
Smoking greatly increases your risks for lung
cancer and many other cancers.
Facts about Smoking (cont)




Hurting Others
Smoking harms not just the smoker, but also family
members, coworkers and others who breathe the
smoker's cigarette smoke, called secondhand smoke.
Among infants to 18 months of age, secondhand
smoke is associated with as many as 300,000 cases
of bronchitis and pneumonia each year.
Secondhand smoke from a parent's cigarette
increases a child's chances for middle ear problems,
causes coughing and wheezing, and worsens asthma
conditions.
Facts about Smoking (cont)


Hurting Others
If both parents smoke, a teenager is more than
twice as likely to smoke than a young person
whose parents are both non-smokers. In
households where only one parent smokes,
young people are also more likely to start
smoking.
 Pregnant women who smoke are more likely
to deliver babies whose weights are too low for
the babies' good health. If all women quit
smoking during pregnancy, about 4,000 new
babies would not die each year.
Facts about Smoking



Why Quit?
Quitting smoking makes a difference right away - you
can taste and smell food better. Your breath smells
better. Your cough goes away. This happens for men
and women of all ages, even those who are older. It
happens for healthy people as well as those who
already have a disease or condition caused by
smoking.
Quitting smoking cuts the risk of lung cancer, many
other cancers, heart disease, stroke, other lung
diseases, and other respiratory illnesses.
Facts about Smoking


Why Quit?
Ex-smokers have better health than current
smokers. Ex-smokers have fewer days of
illness, fewer health complaints, and less
bronchitis and pneumonia than current
smokers.
 Quitting smoking saves money. A pack-a-day
smoker, who pays $2 per pack can, expect to
save more than $700 per year. It appears that
the price of cigarettes will continue to rise in
coming years, as will the financial rewards of
quitting.
Asthma

Asthma is a disease that affects your lungs
and airways, and your life
During an Asthma Attack:
 The lining of your lungs and airways become
inflamed (swollen)

Muscles around your airways tighten, causing
your airways to narrow
During An Asthma Attack…

Your body produces too much mucus, which
can clog your airways

Your airways become overly sensitive to
irritants
…All of this limits air flowing into and out of
your lungs, and makes it hard to breathe. This
results in asthma symptoms: coughing,
wheezing, shortness of breath, and tightness in
the chest.
Asthma (cont)
Common triggers of an asthma attack include:
(they can be different for everyone)
 Cigarette smoke
 Cockroaches
 Dust mites
 Mold
 Pets and animals
 Pollen
 Cold air
 Exercise
 Stress
 Respiratory infections
Other Lung Conditions
Other Respiratory System
Conditions/Diseases:
 Cystic Fibrosis
 Tuberculosis
 Cancer
 Influenza
 Pneumonia
Review

http://www.vtaide.com/png/respiremcq.htm
Movie Time
Watch the United Streaming Video &/or
The Bill Nye Video on the Respiratory
System!