Biology, 01.06.2021 20:00, elmoreroman11

Which of the following is true of veins? They always carry oxygenated blood.
They always carry deoxygenated blood.
They are the site of exchange of gases, nurtients, and wastes between the blood
and the surrounding tissues.
They always carry blood away from the heart.
They always carry blood toward the heart.

Answers: 2

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Which of the following is true of veins? They always carry oxygenated blood.
They always carr...