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T rachea
Pleurae
Lung
Bronchus
Pulmonary artery
Pleurae
Pulmomary veins
L. Auricle
R. Auricle
L. Ventricle
R. Ventricle
Diaphragm
What to think about….
• What is the function of the
respiratory system?
• What are the parts of the
respiratory system?
• What are the functions of
the different parts of the
respiratory system?
What are the 3 things most
necessary for life? (in order)
How do our bodies get fuel?
• Where is this fuel burned
for energy?
Cells are the
the human body.
of
Burning fuel in the human
body requires
• Cells produce waste
products like
What would happen if CO2 was
allowed to build up inside of our
bodies?
What does respiration do?
• It obtains the
oxygen our bodies
need and gets rid
of the carbon
dioxide so that it
does not build up
in our bodies and
poison us.
What things require
respiration?
• Respiration is what is
required in order for living
things to produce
Why cant human cells get
oxygen the way an amoeba
does?
• Because most of human
cells are not in direct contact
with the outside
environment.
O2 has to be brought to the
cells and CO2 taken away.
What do we call all the parts of
the body that work together to
accomplish this goal?
What are some of the main
parts of the respiratory
system?
Parts of the Respiratory System
The entrance that moistens
and warms air as it enters
the body.
Inside the nose is
that clean the air.
the chamber behind the nose
and mouth that leads to the
esophagus and trachea.
carries air to the lungs and
is protected by a flap of
tissue called the epiglottis.
Also called the voice box,
it has 2 folds of tissue that
vibrate to make sound.
The 2 main tubes of the
lungs that the trachea
divided into.
are the air sacs located at
the end of the tubes in
the lungs that look like
grapes.
What surrounds
the alveoli?
What takes place between the
capillaries and the alveoli?
• The red blood
cells in the
capillaries
exchange their
CO2 for the O2 in
the alveoli.
What is the muscle responsible
for breathing?
• When you are
breathing in the
diaphragm is
getting smaller by
When you breathe out the
diaphragm is
1. What is the name of the
muscle responsible for your
breathing?
• A. lungs
• B. diaphragm
• C. heart
• D. trachea
2. What are the small air sacs
that allows oxygen to be
transferred into the blood and
CO2 out?
• A. Alveoli
• B. Lungs
• C. Cilia
• D. Larynx
3. What is the most important
thing necessary for the human
body?
• A. Food
• B. Water
• C. Shelter
• D. Oxygen
4. What is the process by
which our bodies exchange
gases with the environment?
• A.
• B.
• C.
• D.
respiration
production
alveoli
diaphragm
5. What part of the body
warms and cleans air?
• A. Trachea
• B. Larynx
• C. Pharynx
• D. Nose
6. What is the tube that carries
air and breaks into 2 smaller
tubes called bronchi?
• A. Esophagus
• B. Larynx
• C. Pharynx
• D. Trachea
7. What is the flap of tissue
that stops food from going
down your airway?
• A. pharynx
• B. larynx
• C. epiglottis
• D. bronchi
8. What is the tissue that
vibrates to create sound in
your airway?
• A.
• B.
• C.
• D.
larynx
pharynx
epiglottis
bronchi
9. What are the small hairs
that help clean the air that
enters your body?
• A. mucous
• B. cilia
• C. larynx
• D. pharynx
10. What is the passage way
that connects your trachea
and esophagus? (throat)
• A. Larynx
• B. Pharynx
• C. Epiglottis
• D. Bronchi