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The immune system

Which structure will sometimes disappear in adults?


The group of diseases that occur when antibodies develop and begin to destroy the body's own cells is _____.

Autoimmune diseases

_______ means to break down or destroy.


The _____ system is the transport system for pathogens and white blood cells.


_______, and Mast cells, release chemicals to promote inflammation.


Getting a flu shot to protect against the flu is an example of ______.

Artificial active immunity

In stage of cancer, spread to nearby lymph nodes is present

Stage III

There are two types of proliferation, one for _______ and for all other types of lymphocytes.

Helper T-lymphocytes.

Barrier include all the following except ______.


Lymph nodes can be described as _______.

Small encapsulated bodies

The body has both physical and chemical _______ to prevent invaders from entering.


In addition to storage of white blood cells, the lymphatic system is also responsible for ______.

Production of some types of blood cells.

Signs and symptoms of allergies can include all of the following except ______.

Weight loss

Signs and symptoms of inflammation include all of the following except ______.


Once the thread of invasion is over, the ______ are responsible for "turning -off " the response. Once the thread of invasion is over, the _____ are responsible for "turning - off " the response.

Regulatory T-cells

The activated lymphocytes must make thousands of copies of themselves in order to fight off the thousands of pathogens reproducing the body. This reproduction of lymphocytes is called____.

Lymphocyte proliferation

______ fight parasitic worms


In this stage of cancer, no spread from the origin is present.

Stage I

Symptoms of rheumatoid arthritis include _____

a. Symmetrical joint damage.
b. Decreased range of motion.
c. Joint stiffness.
the answer is all of the above.

The _____ is the soft organ between the aortic arch and sternum.


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