Answer :
Answer:
True.
Explanation:
Blood flows to both sides of the heart at the same time, with heart valves on both sides opening and closing at the same time
False;
Veins transport oxygen poor blood to the right side of the heart which sends it to the lungs.
Next, the lungs pick up oxygen, remove carbon dioxide and transport oxygen rich blood to the left side of the heart which sends the blood to the rest of the body through the arteries.