Answer:
La energía del organismo vivo no se puede perder ni ganar del entorno externo.
Explanation:
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The answer is B which is "<span>All carry blood away from the heart."
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The walls of the arteries vs veins have different thickness in each is that <span>tunica media is thicker than the tunica externa in arteries and that the opposite is true in veins (tunica externa is thicker than the tunica media)</span>
A line graph where the x axis is time and the y is velocity.
Be sure to include increments of measurements.
