The circulatory and excretory system of humans — task. Science CBSE, Class 7.

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Match the following:

Answer variants:

Blood

Arteries

Bladder

Vena cava

Column A	Column B
Components of circulatory system
Pouch-like organ
Oxygenated blood
Thick walls
Largest vein

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12. The circulatory and excretory system of humans