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Transcript
Where does the Carbon Dioxide come from?
We make Carbon Dioxide in our
body when we make energy
How does your body
know when to breathe?
When there is too much
carbon dioxide, it makes
you breath to remove the
poisonous CO2.
Carbon dioxide blocks
Oxygen from traveling on
the RBC’s. If we can’t
exhale we can’t make
energy
Blood Vessels- Tubes that carry blood –
capillaries, arteries and veins
Arteries
Carry blood
away from
the heart
Muscle
Veins
Carry
blood to
the
heart
Valve
Capillaries
Smallest vessels that allow
oxygen & CO2 to pass in &
out
Respiratory System – gas exchange
The Path of Air:
•Enters the mouth
or nose
•To the pharynx
past the larynx
(voice box) & into
the trachea
(windpipe)
•The trachea splits
into 2 bronchi
• Bronchi split off
into several
bronchioles
Blood cells
with Oxygen
• At the end of
each bronchiole
there is an air sac
Capillaries
Trachea
Bronchioles
Alveoli
Oxygen in
CO2 out
Blood cells
with CO2
The air sac is
made up of
several alveoli
The alveoli have
capillaries
around them
Why would the alveoli have capillaries
around them?
Gas can pass through the walls of the
capillaries exchanging Carbon Dioxide for
Oxygen
At what point do the Respiratory and
Circulatory Systems interact?
Asthma - respiratory disease in which certain
airways in the lungs become constricted
Bronchitis – mucous fills the bronchioles does
not allow as much air to pass through
Emphysema – alveoli lose elasticity
Pneumonia – alveoli fill with liquid (pus,
mucous etc)
Skeletal System—Support, Protect, and
produce red blood cells
Types of Joints:
1. Ball and Socket
2. Hinge
3. Gliding
4. Immovable
5. Pivot
Ligaments—attach
Bone to Bone
Tommy John
Surgery….what do
you think?
Tendons—
connect muscle
to bone
Skeletal and Muscular System Disorders
Open Heart Surgery Video!
Angioplasty—Alternative for some heart patients!
Respiratory System
• Steven Tyler—Ultimate Human Machine
• http://www.youtube.com/watch?v=9MDn5
GgyxyU
Need to Know…
Muscle system – movement
Skeletal system – protection, support, & makes red blood
cells
- A joint is the point where 2 or more bones meet
- A sprain is when ligaments are stretched to far
- Know what osteoporosis is and how it can be prevented
- Skeletal, Smooth and Cardiac are the 3 types of muscle
know where they are each located and their function
Need to Know…
Circulatory system – delivery of materials
Respiratory system – gas exchange
- Arteries carry blood away from the heart
- Veins carry blood to the heart
- Capillaries are small vessels in between arteries and veins that allow for gas
exchange
- Capillaries and alveoli is where the circulatory and the respiratory systems connect
- Cardiovascular disease is when coronary arteries are blocked.
- To prevent cardiovascular disease: don’t smoke, don’t eat foods high in fat and
cholesterol
- Your body forces you to take a breath when there is a lot of Carbon Dioxide in your
blood.
- More than 90% of lung cancer patients are/were smokers
- Know what about asthma, emphysema, pneumonia, bronchitis
- Know the function of a R.B.C.
Nervous System
• Hard Hit Current Science
• Neuron structure by Khan academy
• Sport science on concussions
• Avera’s concussion program