Biology, asked by rafianaz736, 3 days ago

In human body where is the extra vain ​

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Answered by litzSofil
3

Answer:

Humans are evolving an extra artery in the arm. A new study suggests that humans are evolving at a faster rate than at any point in the past 250 years. It seems that more and more adults have an extra artery in their arms as humans continue to evolve at a rapid rate, a study has found.

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