A report on Superficial vein and Deep vein

Superficial veins become more prominent when muscles are flexed
The veins of the right axilla, viewed from in front.
Superficial veins become more prominent when muscles are flexed

This differs from deep veins that are far from the surface.

- Superficial vein

This contrasts with superficial veins that are close to the body's surface.

- Deep vein
Superficial veins become more prominent when muscles are flexed

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Overall

The main veins in the human body

Vein

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Veins are blood vessels in humans, and most other animals that carry blood towards the heart.

Veins are blood vessels in humans, and most other animals that carry blood towards the heart.

The main veins in the human body
Branches of inferior vena cava
Video of venous valve in action
Venous valves prevent reverse blood flow.
Human anatomical chart of blood vessels, with heart, lungs, liver and kidneys included. Other organs are numbered and arranged around it. Before cutting out the figures on this page, Vesalius suggests that readers glue the page onto parchment and gives instructions on how to assemble the pieces and paste the multilayered figure onto a base "muscle man" illustration. "Epitome", fol.14a. HMD Collection, WZ 240 V575dhZ 1543.
Image of veins from William Harvey's Exercitatio Anatomica de Motu Cordis et Sanguinis in Animalibus

Superficial veins are those closer to the surface of the body, and have no corresponding arteries.

Deep veins are deeper in the body and have corresponding arteries.