bursa转换中有哪七参数

The vaccine usually given at birth is ( ) A: Malik B: bursa of Fabricius C: Newcastle disease D: Bird flu

The peripheral immune organs include A: Lymph node,Spleen, and Bone marrow B: Thymus, Spleen, and MALT C: Bursa of Fabricius,Spleen,and Tonsil D: Spleen, Lymph node, and MALT E: Appendix, Bone marrow, and Lymph node