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Sunday, May 19, 2013
The human body is remarkably complex. During each moment of a person’s life there are an infinite number of processes occurring, and blood plays a key role in many of them.
However, blood is not one thing; it is made up of many different parts that allow it to sustain the body. In fact, white blood cells (WBCs), plasma, red blood cells (RBCs), and cell fragments (platelets) together comprise the substance we know as blood. All of these elements are required for blood to successfully serve its life-supporting functions.
Blood plays many roles that are critical to a person’s survival. Like a vehicle, it transports nutrients, oxygen, and messengers, such as hormones, throughout the body. Additionally, it fights infection, controls clotting, regulates critical body functions, such as temperature, and removes waste.
Given the multiple, wide-ranging roles of blood, problems with this important substance can prove dangerous for the human body’s well being. From anemia to blood cancers and infection-fighting disorders to clotting and bleeding problems, understanding what can go wrong with blood is the first step towards taking the right preventive steps.
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