How can you find a valve in a vein?

Answer:
As far as I am concerned, veins do not have valves..

The only part of the human anatomy which have valves are where the ear canal and nasal cavity connect, and in the entrances/exits of the heart where the arteries connect.
First answer by TheBroker. Last edit by TheBroker. Contributor trust: 15 [recommend contributor recommended]. Question popularity: 1 [recommend question].