Answer on Other Biology Question for Sunita
27. Helper T cells express which co-receptor in the surface of their cell? (Points : 3)
28. Which organ is responsible for screening blood for the presence of pathogens? (Points : 3)
29. When a lymph node becomes swollen, the most common reason is (Points : 3)
Blocked lymphatic vessel
Blocked capillary vessel
30. Which cells make up the lymphoid follicles? (Points : 3)
Natural killer cells
follicular dendritic cells
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