William Harvey
It circulates to your brain, but it circulates from your heart.
no
sugars
blood tissue
it turns from oxygen rich (oxygenated) blood to oxygen poor (deoxygenated) blood
William Harvey
William harvey
William Harvey
In Englishman named William Harvey was first to describe that blood circulates by blood vessels.
Heart
veins
Because it circulates blood.
circulates blood
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.