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Title: The Heart and Circulatory System
Description: These notes tell you about the parts of the heart and their functions. It also contains information on how blood is transported throughout the body.
Description: These notes tell you about the parts of the heart and their functions. It also contains information on how blood is transported throughout the body.
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The Heart and Circulatory System
The Circulatory system is made up of the heart, blood vessels and blood
...
The Heart
The Heart is a double pump
...
Here carbon dioxide is
diffuses out of the blood and
oxygen is collected from the air
into the alveoli
...
It is returned to
the left side of the heart, which
pumps this oxygenated blood out
of the body
...
Sometimes the arteries get blocked with fatty deposits
...
These cells
would not get enough food or oxygen so would die
...
Surgeons can use a piece of vein from an arm or leg and bypass
the narrow or blocked artery
...
The Blood
The main purpose of blood is to transfer substances around the body
...
Food, Carbon Dioxide and other
chemicals are dissolved in the plasma
...
Red Blood Cells carry oxygen to the rest of the
body
...
Platelets are fragments of cells that are important in making the blood
clot, so a scab forms when you cut yourself and bacteria don’t enter your
bloodstream
Title: The Heart and Circulatory System
Description: These notes tell you about the parts of the heart and their functions. It also contains information on how blood is transported throughout the body.
Description: These notes tell you about the parts of the heart and their functions. It also contains information on how blood is transported throughout the body.