Mammalian Lungs Have Two Adaptive Features: the Production of Mucus

question 173

Short Answer

Mammalian lungs have two adaptive features: the production of mucus and _______, a substance that reduces the surface tension of the liquid lining the insides of the alveoli.

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Definitions:

Functionalist

A functionalist is a social theorist who focuses on the role that societal structures and institutions play in maintaining social stability and order.

Social Stratification

The arrangement of individuals into hierarchical layers based on wealth, power, prestige, or other valued resources within a society.

Class Analysis

An examination of societies based on the hierarchical categorization of individuals into classes, typically determined by wealth, occupation, and social status.

Functionalist Analysis

A sociological approach that interprets each part of society in terms of how it contributes to the stability of the whole society.