Answer:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide
Explanation:
The characteristic that best represents good walking technique is letting your arms swing loosely and your feet so they move fluidly and finding great balance so you last longer. So the best answer to your question is letter D. I hope this helps.
Eeg, MRI, CT, UTI are all diagnostic tests performed in an ER..
