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Transcript
What does it mean to circulate?
Move around, pass from one place to another.
What is your circulatory system?
Heart & Blood Vessels
Heart
Arteries
Lungs
Veins
At the center of the circulatory system is your
Heart which is a muscle and pumps blood
throughout your body.
Red= Arteries
Without
O2
Muscles
Has O2
Blue = Veins
Back to Heart
RIGHT
The right side gets oxygen
poor blood and pumps it to
the lungs to get more
oxygen.
LEFT
The left side gets oxygen rich
blood from the lungs and
sends it to the muscles and
other organs.
YOUR HEART
Right Atria
Left Atria
Right Ventricle
Left Ventricle
Your heart has 4 chambers that work together to pump
blood throughout your body.
LUB - DUB
The sound that you hear is your
Heart’s valves opening and closing
between the ventricles and atria.
Valves
Valves
From Upper Body
To the Body
Red = Oxygenated blood
BLUE = Used Blood with
that goes to your body.
NO oxygen.
To Lungs
To Lungs
From Lungs
From Lower Body
Your Heart is a PUMP!
An adult Heart Pumps 2,000 gallons of blood every day.
That’s the same as 2,000 gallons of Milk!
Blood Vessels
Muscles & Organs
Heart
Combined these vessels are 60,000 miles long
That’s enough to wrap around the world 2 times!
Heart Disease
Plaque
What causes Heart Disease
-Not enough exercise.
-Too much fatty foods
-Smoking
-Stress
Healthy Heart
Unhealthy Heart
WHITE BLOOD CELLS
RED BLOOD CELLS
FIGHT GERMS
LIVE IN YOUR BODY FOR 2 WEEKS
A SINGLE DROP OF BLOOD CAN HAVE 7,000 TO 25,000
WHITE BLOOD CELLS
RED BLOOD CELLS
DELIVER OXYGEN
A SINGLE DROP OF BLOOD CONTAINS MILLIONS OF
RED BLOOD CELLS
THE CHEMICAL HEMOGLOBIN MAKES THEM RED
LIVE IN YOUR BODY FOR ABOUT 120 DAYS