no they dont have veins Yes, fish have veins. Fish have blood an veins are the necessary ways for all living beings to have their blood circulated throughout their body.
arteries, capillaries and veins
Yes I think so
veins
No, muscles have nothing to do with how many veins God gave you.
the veins are parallel to each other
there are 4 veins on the Betula lenta
2
Mushrooms do not have leaves, so they do not netted veins like many plants. Mushrooms instead have a central stalk and parallel veins.
Altogether your veins add up to 4 and a half kilometers.
I believe there's 3, 2 veins and 1 artery
2. the carotid artery and the jugular veins; they are located on opposite sides of the neck.