blood flows at a high pressure, so if the arteries are thin and less muscular, the arteries can explode due to the pressure. so it needs thick and muscular properties so that it can withstand the increasing pressure of the flow of blood.
im not sure why it needs to be elastic. Hope it helped :)
I would say superior but since it isn’t on here then maybe distal?
Answer:
If im not mistaken it is not made by elements
Explanation:
Parietal and frontal.. whichever one your looking for