The blood is the source of life for all creatures on earth. Even plants have sap that is akin to blood in purpose, but among animals we see again and again the importance of the blood, and especially in humans.
In the pages of Scripture, I have come to understand that God gave His people scientific truth that was centuries ahead of that possessed by men at the time. Leviticus 17:11 states that blood that is the life of the physical flesh and it is still the blood of Jesus that is the life of the soul.
BLOOD IS A PRECIOUS SUBSTANCE
The Purpose Of The Blood - The very life of the body is contained in the blood. As I stated earlier, medical science didn’t understand this until the advent of powerful microscopes that now allow doctors to look at the blood and better understand its function in the body. Among the substances of the body, the blood is unique. Consider these facts:
The blood is the only tissue of the body that is mobile. The body produces many fluids, but the blood is literally liquid tissue. Other fluids are limited to certain areas of the body, but the blood touches every single cell in the human body.
There are about 5 quarts of blood in the average human body. This blood travels through your body every 23 seconds. As it does, the blood carries oxygen and nutrients to the cells of your body, bringing life as it travels. At the same time, the same blood also removes the waste products from the cells. This waste never contaminates the good things the blood carries which the body needs. Imagine, if you will, the local garbage truck picking up your trash and also delivering your meals uncovered.
While the red cells in the body are carrying oxygen rich hemoglobin, and nutrients to the cells, another part of the blood known as “leucocytes” or white blood cells are present to defend the body against outside invaders. When the body is injured, you may notice a swelling in the area of the injury. This is caused by blood being rushed to the injured area, blood that is rich in white blood cells. These cells have the power to kill and engulf germs and infections. As they do their job, they die in the process and are expelled from the body, along with the infection, in a material we call pus. All of this is going on in the blood!
There is more that the blood does, such as carrying antibodies and antitoxins, but just these simple insights are enough to let us know that the blood is extremely vital to the existence of the human body.
The Power Of The Blood - The power of the blood in the human body is so great that an infection in the bloodstream has the power to infect the entire body, and the loss of too much blood has the power to interrupt human life.
While the blood and its importance cannot be overstated in the human body, everything we have said about the blood thus far also has a spiritual application. Just as the blood is necessary to physical life, the blood of Jesus is also necessary for spiritual life! However, the major difference is that in the physical realm, one must have his own blood, in the spiritual realm, we must have the blood of another – the blood of Jesus! There is power in His blood!
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