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
5 billion vein
All leaves have veins
All of them the veins are in the stalk
veins
all veins
Your veins are running all throughout your body with blood running through them. And all the veins are connected the the heart.
There are three major categories of veins: superficial veins, deep veins, and perforating veins. All varicose veins are superficial veins; they lie between the skin and a layer of fibrous connective tissue called fascia.
The pulmonary veins are the only veins in the body that carry oxygenated blood. Like all veins the blood in the pulmonary veins travel toward the heart.
no veins in cartilage.
Branching veins mean that they expand over the area of a leaf. All leaves tend to have branching veins, with few exceptions.