Answer:the tough outermost membrane enveloping the brain and spinal cord
Explanation:
Arteries like veins, are tube-shaped vessels that carry blood in the body.
But the difference is that the artery carries oxygenated blood away from the heart to the body. But the veins carry poor-oxygen blood back from the body to the heart!
I hope this helps! :)
You would find scales on a bird is it feet
