Exposure of the immune cells to these detoxified proteins yields a strong response in {HEAD ~ the innate immune reaction} that represents {TAIL ~ the immune systems initial response} to infectious agents 
represents
Exposure of the immune cells to these detoxified proteins yields a strong response in { HEAD ~ the innate immune reaction } that represents { TAIL ~ the immune systems initial response } to infectious agents
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH