Question

the aggregation of lymphocytes in the ____________ gathers and removes pathogens that enter the pharynx in either food or inspired air.

Explanation:

Tonsils are lymphoid tissues located in the pharynx. They act as a first - line defense, gathering and removing pathogens that enter the pharynx through food or inspired air. The spleen is mainly involved in filtering blood, the pancreas is related to digestion and endocrine functions, and the liver has functions like detoxification, metabolism, etc. None of these other organs are primarily responsible for gathering and removing pathogens in the pharynx as described.

Answer:

tonsils