does the body produce blood
Yes blood are produced evferyday in order to supply oxygen to different parts of the body. They also repair injure clot in the body. Without blood, you cannot live or no one can ever sustain life.
The body produces new RBC everyday to replace those which are damaged or fragmented. They mature in about a week and has a life span of 3-4months. Note: RBC are the partial makeup of whole blood.