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Passive immunity results from exposure to an antigen triggering an immune response.

Very prominent mucosa associated lymphoid tissue areas along the inner lining of the small intestine are called ________.

Name the purple vessel

Name the vessel (blue one)

_______ are microscopic, single-celled prokaryotes that cause damage by releasing enzymes and toxins.

Foreign molecules/substances that trigger immune responses by B-lymphocytes and T-lymphocytes are called 

Fever inducing chemicals are called _______.

Name the layer of the vessel wall indicated by the yellow arrow

Bonus: Name the vessel 3lab38.png

Bonus: Who taught your A&P 1 course? Do you think this course is easier, harder, or the same difficulty as your A&P course?