The five vital organs in the human body ... and filters blood coming from the digestive tract through a vein before it joins venous blood flow from other parts of the body. Oxygenated blood ...

The cardiovascular system is made up of your heart and your blood vessels. This heart anatomy diagram shows ... causing blood to flow continuously to the heart, lungs, and body.

The heart is a complex organ that pumps blood throughout the body. It sits in the chest, slightly left of center, behind the breastbone, and between the lungs. A heart that is not healthy does not ...

Other arteries in your body can also be affected as well. This is called peripheral artery disease, which affects how well blood can flow to your legs, feet, arms, and hands. In some cases ...

but what fired his interest in the workings of the human body? A Leonardo diagram showing the heart and its blood vessels, with his mirror writing annotating it "He had a great mind, and he was ...