Respuesta :
There are veins known as superior vena cava and inferior vena cava carry oxygen-poor red blood cells towards heart. So the correct option is B.
What are veins?
Veins are the blood vessels that carries deoxygenated blood or oxygen-poor blood from tissues to heart.
According to the given question, a structure in the arm of a human is found to carry oxygen-poor red blood cells are veins that carries blood towards heart.
Thus, the correct option is B.
For more details regarding veins, visit:
https://brainly.com/question/14403270
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