You have one arm bone and one thigh bone. so you have one artery for the same. you have two forearm bones and two leg bones. So you have two arteries for the same. You are the communicating anastomoses in your hands and feet. You have the superficial and deep veins to carry the blood back to your heart. You have peripheral heart in your calf to push the blood back to your heart in the chest.
The cardiovascular system circulates blood through the body.
In Englishman named William Harvey was first to describe that blood circulates by blood vessels.
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 heart is a pump that circulates the blood around the body
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