Los elementos: el cobre

Copper is found on Earth's surface in nuggets and minerals. It is used in cables, coins, and musical instruments due to its excellent conductivity of electricity and heat. Copper is vital for human health, aiding in red blood cell and bone formation, iron absorption, and nerve cell health. It is also present in the blood of some animals. Humans have utilized copper for approximately 10,000 years.

Which animals are mentioned as having copper in their blood?

For how long has man been using copper?