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A lymphocyte is activated when unique _______-binding proteins on its surface recognize specific molecules found on the surface of a specific pathogens.
Bronchi Inflammation
The swelling and irritation of the bronchi, the major airways to the lungs, often resulting from infection or chronic conditions like asthma.
Fibrous Connective Tissue
A type of connective tissue rich in collagen fibers that provides support and strength to various structures of the body such as tendons and ligaments.
Secretory Cells
Cells that are specialized in producing and releasing various substances such as hormones, enzymes, and mucus into the bloodstream or onto epithelial surfaces.
Alveolar Walls
Thin layers of tissue forming the boundaries of the air sacs (alveoli) in the lungs where gas exchange occurs.
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