There are 60,000 miles of blood vessels in an adult human body.
There are 100,000 km (60,000 miles) of blood vessels in an adult human body. Growing new blood vessels is called angiogenesis.
There are 60,000 miles of blood vessels in an adult human body.
There are 100,000 km (60,000 miles) of blood vessels in an adult human body. Growing new blood vessels is called angiogenesis.