Blood Flow Theory

By maarodriguezso
  • 200

    bodily humors theory

    bodily humors theory
    if Hippocrates had not raised the theory of humours where the sanguine one was represented by the air, we would not know that there is a fluid called blood.
  • 216

    Sanguification

    Sanguification
    If Galen had not argued that the heart was the center of the innate heat, Scientist had not investigated how food became blood.
  • Jan 1, 1535

    Ventricles

    Ventricles
    if Andres de Laguna had not identified that there where three divisions in the hearth that create and maintain a balance of blood on the right side and the left side of the body, the theory of the transport blood to the sides off the body would not exist.

  • Vivisection

    Vivisection
    if William harvey had not doubted about the proportion Food- blood. he would not have performed experiments on live animals to see how it was processed.

  • Heartbeats

    Heartbeats
    If William Harvey had not questioned the movement of the heart and its beat, we would not know what the heart functions as a pump.

  • Heart Geometry

    Heart Geometry
    René Descartes accepts the theory of blood flow but refutes the idea of contraction of the heart, if this were not this way, he would not have established the laws of mechanical physics to support Harvey´s theory.

  • Invisible pores

    Invisible pores
    By the 16th century it was believed that the body cells absorbed blood by small invisible pores in the arteries and it was returned after being used, if Marcello Malpighi had not used a microscope today we would not know that there is a connection between veins and arteries called capillaries.

  • Experimental Method

    Experimental Method
    If Claude Bernard doesn't establish the experimental method for the medicine research, in vitro experiments wouldn't exist nowadays and the theory of the blood low would never have accepted.

  • 1630

    1630
    if William had not experimented filling the veins and arteries, would not have realized that there are valves in the veins that prevent blood to flow in one direction.

  • The 2 big Veins

    The 2 big Veins
    if Aristotle had not considered the heart as a producer of blood that was connected to two large veins carrying blood to the liver, it would not have led to the humoral theory.