Do all humans have the same number of veins and arteries? If so, how does the body know how many and where to make these veins and arteries?

Question

Do all humans have the same number of veins and arteries? If so, how does the body know how many and where to make these veins and arteries?

In: Biology

Answer 1

I remembered! My sister told me babies have extra veins in their arms and legs. Again, not fact checked