This question has options. Select from options: Read this fact: "the circulatory system brings oxygen from the lungs to the rest of the body"

Now answer this question: "Which likely is using its circulatory system?"

Pick from:
(1). a tree standing in the woods;
(2). a horse after a race;
(3). a car during an auto meet;
(4). a rock down to the molecular level;
(2).