worksheet on the circulatory system

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  • Created on: 27-05-10 09:47
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The circulatory system
What is the purpose of the circulatory
system?.............................................................................................................
What are the three main elements of the circulatory
system?...........................................
Arteries carry .............. blood ............... the heart and veins carry .............................
blood .......... the heart. The ........................artery carries...............blood from the
heart to the ............ and the ........................... vein carries.................blood from the
......... to the heart.
How is oxygen carried to the body cells? .......................................................
Name the site of gas exchange. ...........................................
How do gases dissolved in the blood pass into the alveolus?............................
Name such a gas. .............................................................
What is diffusion? .................................................................................................
Where are capillaries
found?....................................................................................................................
Why don't single-celled organisms need a circulatory system, but humans
do?...............................................................................................................................................
......................................................................................................................................................
...
Humans have a `double circulation'. To what two different places is the heart
pumping blood in two different transport
systems?.....................................................................................

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The circulatory system
What is the purpose of the circulatory system? To carry food and oxygen to all
the body cells and to remove waste products.
What are the three main elements of the circulatory system? The blood vessels
(pipes), the heart (pump) and the blood (the medium).
Arteries carry oxygenated blood away from the heart and veins carry
deoxygenated blood to the heart.…read more

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