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The complexity of human physiology is best understood through a bottom-up approach that traces the origin of biological functions to the cellular level. From the selective permeability of the plasma membrane to the coordinated responses of the nervous and endocrine systems, the body operates as an integrated network. The principles outlined in texts such as Sherwood’s emphasize that understanding the "parts" (cells) is essential to understanding the "whole" (systems). Ultimately, the seamless integration of these systems ensures the survival of the organism in a changing environment. If you already possess a digital copy, verify
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Lou S. Felipe, Ph.D. (she/they) is an assistant professor at the University of Colorado School of Medicine, where she provides culturally responsive, trauma-focused psychotherapy. Her research examines the intersectional identity experiences of marginalization, particularly at the intersection of race, ethnicity, gender, and sexuality with a unique specialization in Pilipinx American psychology.