nervous system {Ans: neurotransmitters, local chemical release accross syanpse, targets muscle cells, glands, and other neurons, milliseconds}adaptive immunity {Ans: specifiv, adaptive, barriers-t lymphocytes, b lymphocytes, plasma cells, antibodies, and enzymes}Plexuses {Ans: network of neurons that wall the digestive organs}Antibody class IgM {Ans: Pentamer, ten antigen binding site, SHORT LIVED RESPONSE, COMPLEMENT, SECRETED BY PLASMA CELLS, primary response}lymphocyte {Ans: 20-25% viral infections}info relayed for all senses except olfaction {Ans: through Thalmus}