William Harvey
Answer:
Since mankind originated as hunter gatherers the circulation of blood in ourselves and our prey has interested us for a long time.
The cardiovascular system circulates blood through the body.
In Englishman named William Harvey was first to describe that blood circulates by blood vessels.
1519
Heart
veins
Because it circulates blood.
Blood...
circulates blood
The first scientist to describe that the heart circulates blood was the Arabian physician Ibn al-Nafis, in 1242 AD.
Blood circulates oxygen and nutrients through the brain.
Blood circulates oxygen and nutrients through the brain.
The people who lived there discovered it.