Question

question
all of the following blood vessels empty into the right atrium, except:
answer
pulmonary veins.
superior vena cava.
inferior vena cava.
coronary sinus.
i dont know yet

Explanation:

The superior vena cava, inferior vena cava, and coronary sinus empty into the right atrium. The pulmonary veins empty into the left atrium.

Answer:

pulmonary veins.