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PRERNA FOR IAS
HUMAN PHYSIOLOGY
1. Human Physiology
Human physiology is the branch of biology that studies how the human body functions under normal conditions. It explains how different organs, tissues, and cells work together to maintain life. Physiology covers processes such as breathing, circulation, digestion, excretion, movement, and hormone regulation. Understanding physiology helps us learn how the body responds to internal and external changes and maintains a stable environment called homeostasis. It forms the foundation of medicine, nursing, sports science, and health education. Knowledge of physiology helps diagnose diseases, develop treatments, and promote healthy lifestyles that improve overall well-being and longevity.
2. Levels of Organization
The human body is organized into different structural levels, starting from the simplest unit to the most complex. Cells ar
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Explore human physiology: how organ systems, homeostasis, and feedback mechanisms maintain body functions and health. Essential knowledge for UPSC aspirants.
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