Tag Archives: circulation

William Harvey before King Charles I

In 1628 William Harvey published his classic work De Motu Cordis (Of the Motion of the Heart and Blood in Animals) demonstrating that the blood passed from the left ventricle to the capillaries at the periphery and back through the veins to the right side of the heart. He received many honors for his work, and […]

Blood beliefs and practices in Iran

Bahar Dowlatshahi Tehrann, Iran   Circulation of the blood (human). Wellcome Collection. CC BY Blood is believed to have special abilities and properties in many eastern countries such as Iran. Even human personality traits, emotions, and relationships are referred to with blood. Angry people boil their blood; those who are kind and loving are called warm-blooded. […]

Blood is NOT the essence of life?

Mair Zamir London, Ontario, Canada   Figure 1: Vasculature of the human heart in an anterior view (right) and posterior view (left). This massive vascular network brings blood to within reach of every cell within the heart tissue. It is the most densely packed vascular network within the body because of the very high metabolic […]