Etiket - lise ingilizcesi

ÇOCUKLARA YÖNELİK İNGİLİZCE TESTLER

In the  human body,  blood circulates through  elastic, tube-like canals called blood vessels.____1____ The vessels called arteries carry blood away from the heart to all parts of the body. The largest artery in the human body is the aorta. ____2____         In contrast, blood in the veins, another type of blood vessel, appears purplish because it is no longer carrying a supply of oxygen. Veins carry blood back to the heart, and they contain small valves which prevent the [...]

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