Veins are used to carry blood *to* the heart.
Com funciona la circulacio de la sang?
Arteries carry blood *away* from the heart.
martes, 20 de noviembre de 2007
CIRCULATORY SYSTEM
The Circulatory System is the main transportation and cooling system for the body.The highway system of the Circulatory System consists off a lot of one way streets. The superhighways of the circulatory system are the veins and arteries.
Veins are used to carry blood *to* the heart.
Com funciona la circulacio de la sang?
Arteries carry blood *away* from the heart.
Veins are used to carry blood *to* the heart.
Com funciona la circulacio de la sang?
Arteries carry blood *away* from the heart.
miércoles, 14 de noviembre de 2007
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