Introduction:
From the rising of the civilization, people have stood beside each other in crisis and have increased their help. Standing beside the helpless people is the nature of the human heart, the natural religion of man. Today's 'voluntary blood donation' program has begun a new chapter in humanity to save the lives of others. The initiative to save the lives of others with their own blood makes human life rich in humanity.
What is blood donation?
For some reason, due to lack of necessary blood in the human body, a life is become critical. Sudden confusion arises in case of excessive bleeding due to accident or injury. The amount of blood in the body can be reduced due to any illness. Again, there may be a need to meet the shortage of blood during the operation. Blood donation, therefore, is the arrangement for removing the lack of necessary blood. This is one of the great works.
Blood Group:
There are four groups of human blood. Those are A, B, AB and O groups. Scientists show the first achievement of Detection of blood group. At the time of taking blood, the patient's blood group was first diagnosed. Then the blood group of the healthy body is circulated in the patient's body. However, before that Rh group was also seen.
Blood Donation:
Blood donation is a great vow to the people of good consciousness. To take part in this great work, 250 cc blood takes from a healthy person's body.There is no harm in the body. Medical scientists have discovered the scientific method of preservation of blood. There is now a blood bank in every medical center and hospital. In 1937, the first blood bank was established in the American city of Chicago. In 1914, the scientific Houstain discovered the scientific method of blood preservation. The blood is pure, depending on the appropriate temperature and the surrounding conditions. Generally, the blood has remained pure for up to three months in the refrigeration with a temperature of 4 degrees to 6 degrees centigrade.
