Bible Statements Consistent with Biology
The great biological truth concerning the importance of blood in our body's mechanism has been fully comprehended only in recent years. Up until 120 years ago, sick people were "bled," and many died because of the practice. If you lose blood, you lose your life. The reason doctors give a "blood test" is because blood carries an incredible amount of information about the health of the flesh. The Book of Leviticus, written 1400 B.C., declared that blood is the source of life: "For the life of the flesh is in the blood" (17:11).
The blood carries water and nourishment to every cell, maintains the body's temperature, and removes the waste material of the body's cells. It also carries oxygen from the lungs throughout the body. In 1616, William Harvey discovered that blood circulation is the key factor in physical life - confirming what the Bible revealed 3,000 years earlier.
Blood is far more complex and has far more to do with life than science ever imagined. About 55 percent of blood is composed of plasma. The rest is made of three major types of cells: red blood cells (also known as erythrocytes), white blood cells (leukocytes), and platelets (thrombocytes). Plasma consists predominantly of water and salts. The kidneys carefully maintain the salt concentration in plasma because small changes in its concentration will cause cells in the body to function improperly. In extreme conditions this can result in death.
Look at how the blood affects the flesh: Antibodies in blood neutralize or help destroy infectious organisms. Each antibody is designed to target one specific invading organism. For example, chicken pox antibody will target chicken pox virus, but will leave an influenza virus unharmed. There is no better way to describe the function of blood in relation to the human body than to say, "The life of the flesh is in the blood."
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