Answer: Hypersensitivity reaction is a condition in which the normally protective immune system has a harmful effect on the body. It involves harmful immune response following sensitization and subsequent antigen contact. Type IV such as contact dermatitis reactions are delayed and cell-mediated and are the only hypersensitivity reaction that involves sensitized T lymphocytes rather than antibodies.
The white blood cells do Not preform as well as they should.
H.E.L.P. This position, the Heat Escape Lessening Position, or H.E.L.P., aims to protect some of the areas of your body most prone to heat loss - the head, neck, sides of the chest cavity and the groin area. If you are wearing a life jacket, this position can be very effective.
Answer:
1. aneamia
2.he should eat food rich in the mineral iron