Transcript Slide 1

Respiratory System
Discover Activity
Page 112
Respiratory System Gases
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What do you already know about the
Function of Respiratory System?
What gases are exchanged by the
respiratory system?
What do you think happens in the
body when a person holds his or her
breath?
Respiratory System Function
 Respiration
 to
obtain and use oxygen
 to get rid of carbon
dioxide and water
Respiratory System
2
parts
 Breathing

moving air in
and out
 Cellular
Respiration
Cellular Respiration
C6H12O6 + O2
CO2 + H2O + ATP
 Glucose and oxygen makes
carbon dioxide, water and energy
 Happens in the Mitochondria of
the Cell

Working Together
 Respiratory
system,
Digestive system and
Circulatory system
 page 114
Air
Flow
through
the
System
How Lungs Work.
Process of Breathing

Inhalation
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Lung volume increases
Diaphragm contracts/flattens
Ribcage moves up and out
Air flows in
Process of Breathing
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Exhalation
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Lung volume decreases
Diaphragm relaxes/moves upward
Ribcage back to normal position
Air flows out
Breathing and Speaking

Larynx
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Voice box
Located at top of trachea
Vocal cords
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Air rushes through opening
Vibration creates sound
If you went to Madura and
you are getting notes for
Friday, Stop Here.
Hope you had
a good trip :)
Smoking and
Your Health
Three major chemicals
 Nicotine
 addictive
chemical
 Tar
 Carbon
Monoxide
Nicotine Effects
Brain
 Lungs
 Heart

Stomach
 Intestines
 Bladder

Effects of Tobacco
on the Body
Health Book
Pages 284-295
Mainstream smoke
 smoke
that is inhaled
directly into the mouth
through a cigarette, pipe, or
cigar
Sidestream Smoke
 smoke
that enters the
environment from burning
tobacco
 Passive Smoker
 exposed to sidestream
smoke
2 Kinds of Diseases
 Chronic
Bronchitis
 Emphysema
 Cancer
 Cardiovascular Disease
Smokeless Tobacco
 Chewing
Tobacco
 page 290
 Cancer
of the mouth
(tongue, cheek or gums)
 Cancer of the throat
Why do people start
 Peer
Influence
 Parent Example
 Advertising
 Others?
Four reasons not to start
 Dangerous
(unhealthy)
 Expensive
 Unpleasant
odor
 Unattractive
Case Study #2
You are at the mall and are offered free
cigarettes. Your friends want to try them. Use
the 5 C’s to make a choice about whether you
will join them or abstain.
Breathing Emergencies
Help someone who is
Choking
Rescue Breathing
Help someone who is Choking
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Place thumb side of fist against
middle of abdomen just above
navel.
Grasp fist with other hand.
Give quick, upward, thrusts.
Repeat until object is coughed up
or person becomes unconscious.
Rescue Breathing
If air won’t go in?