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Circulatory and Respiratory Systems

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by

Melanie Pyne

on 5 May 2016

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Transcript of Circulatory and Respiratory Systems

Circulatory and Respiratory Systems
The
HEART
and the movement of blood
The
heart
pumps blood throughout the body
Blood
moves from the heart into the arteries
The
arteries
are divided into smaller blood vessels which take
blood
away from the heart
Then, the
blood
is carried into tiny blood vessels called
capillaries
Important nutrients in blood are exchanged between capillaries and the cells
Then,
blood
carrying wastes and blood depleted of oxygen returns to the heart through
veins
and is then pumped into the lungs
The
blood
then releases wastes and picks up more oxygen and starts the cycle over again
Let's break it down!
Parts of the Respiratory System
The Respiratory System
Conclusion
The CIRCULATORY SYSTEM transports needed substances throughout your body and carries away wastes
This system is made up of the blood, heart and blood vessels
How the RESPIRATORY SYSTEM WORKS
Air enters through the
nostrils
or
mouth
and moves through the
nasal passages
, into the
trachea
and then into the
bronchi
of the
lungs
Then, the oxygen from the lungs moves from the
alveoli
(tiny air sacs) and through a thin membrane of the blood vessels.
The blood cells carry this oxygen to the cells in your body
At the same time (simultaneously), carbon dioxide carried in the blood moves from the tiny blood vessels into the
alveoli
and is moved up through the
respiratory system
and then out of the body
Oxygen gets into the body via the nasal cavity and mouth
COMPARE: VEINS, ARTERIES, CAPILLARIES
Circulatory System Notes
The
respiratory system
is responsible for getting oxygen inside of the body
It also rids of the carbon dioxide that your cells produce as waste
Red blood cells
carry oxygen and carbon dioxide through the body
White blood cells
help fight disease
Platelets
are pieces of cells that help your blood to clot when you have an injury
Plasma
is a mixture of blood cells, platelets and dissolved food and proteins (it is pale yellow)
THE RESPIRATORY SYSTEM
Full transcript