Question

this exam is 60 questions and you will have 90 minutes to complete this exam. this exam will cover vessels/pressure, and lymphatics, and immune system. question 29 1.67 pts the term \primary lymphoid structure\ applies only to red bone marrow. to lymph nodes and malt. to the spleen and lymph nodes. to the red bone marrow and thymus. only to lymph nodes.

Explanation:

Primary lymphoid structures are sites where lymphocytes are produced and mature. Red - bone marrow is where B - lymphocytes mature and is also a site of blood cell production. The thymus is where T - lymphocytes mature. Lymph nodes, spleen, and MALT (mucosa - associated lymphoid tissue) are secondary lymphoid structures which are sites for the activation of lymphocytes.

Answer:

to the red bone marrow and thymus.