The primary lymphoid organs consist of the thymus MALT system red bone marrow a and b a and c

Answered: The primary lymphoid organs consist of…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Question

The primary lymphoid organs consist of the

		thymus
		MALT system
		red bone marrow
		a and b
		a and c

Expert Solution

Step 1 Introduction on primary and secondary lymphoid organs:

The immune system of human is made up of individual cells and proteins as well as entire organs and organ systems. The first line of defense includes skin and mucous membranes and the different organs of the lymphatic system too. Lymphoid tissues are present in all vertebrates and are very necessary for adaptive immunity. Primary lymphoid tissues play an important role in lymphocyte development, on the other hand the secondary lymphoid organs support lymphocyte maturation, survival and activation. The lymph content is similar to the interstitial fluid and drains into the venous blood which consist of interstitial fluid.