William Harvey
hormone
Red Blood Cells
cholesterol :)
so you can breath and ur blood goes arou nd your body for you to breath and it circulates good
You may be thinking of William Harvey, who was the first to describe the circulatory system in some detail.
In Englishman named William Harvey was first to describe that blood circulates by blood vessels.
Heart
veins
He wrote a book called An Anatomical Account of the Motion of the Heart and Blood in 1628, which described how blood circulates around the body, and it proved Galen wrong on many accounts.
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.
It circulates to your brain, but it circulates from your heart.
The heart is a pump that circulates the blood around the body