HLA antibodies attack foreign invaders like Viruses and bacteria. But if a person gets a donated Organ. Then the immune system does not recognize the donated organ and attack it. That is why people who have transplanted organs have to take drugs to suppress the immune system. <span />
Give the person some water or put water on his face and that should wake the person up if that does not work call the ambulance.
1) Concept of operation
2) All-hazards Approach
3) Corrective Action Process
Well, an increased risk would be shallow water. Ideally, you want to dive into water that's at least 5 feet deep so the risk of hitting your head isn't as great. Another could also be instead of diving straight down, dive at an angle so again, the risk of hitting your head and compressing your spine isn't as great.