Assuming that ambulances carry blood for purposes of
transfusion, the blood type that I would expect to be in greatest supply in an
ambulance would be Blood Type O. Blood Type O is dubbed the universal donor (or
General donor) because they have there are neither A nor B antigens.
These chemical processes require energy. The respiration and metabolism require adenosine triphosphate (ATP) which is cellular energy, and the organs get their fuel from the calories we consume. Without this energy, we eventually die
