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The Antibody That Is Secreted in Various Body Fluids and Primarily

question 21

Multiple Choice

The antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes is:


Definitions:

Parietal Pericardium

The outer layer of the pericardium, a sac that encloses the heart, providing protection against infection and physical damage.

Serous Membrane

A thin tissue that lines certain internal cavities of the body, producing a serous fluid for lubrication.

Pericardial Sac

A double-layered membrane enclosing the heart, providing lubrication and protection against friction.

Pelvic Cavity

A body cavity that is bounded by the bones of the pelvis, containing reproductive organs, the urinary bladder, and the rectum.

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