question_answer

Fill up the blanks-

I. The primary lymphoid organs are ______ and_______.

II. Heroin commonly called "smack" is chemically________.

III. _______ tumors remain confined to their original location and do not spread to other parts of the body.

IV. The immune system comprises _________ cells and _________ cells

A) I-bone marrow & thymus; II-diacetylmorphine; III-benign; IV-B, T

B) I-bone marrow & thymus; II-diacetylmorphine; III-malignant; IV-B, T

C) I-bone marrow & thymus; II-benzodiazepenes; III-benign; IV-B, T

D) I-M.A.L.T.; II-diacetylmorphine; III-benign; IV-B, T