If the 4th edition is inaccessible, consider these legally free physiology resources with similar depth:
| Chapter | Core Topics | Notable Features | |---------|-------------|------------------| | 1 – Introduction to Physiology | Homeostasis, feedback mechanisms, levels of organization | Concept maps & “Key Terms” boxes | | 2 – Cellular Structure & Function | Membrane transport, signaling pathways, energy metabolism | 30+ detailed diagrams | | 3 – Nervous System | Neuron physiology, synaptic transmission, sensory pathways | Clinical vignettes (e.g., multiple sclerosis) | | 4 – Musculoskeletal System | Muscle contraction, bone remodeling, locomotion | Sidebars on sports injuries | | 5 – Cardiovascular System | Cardiac cycle, hemodynamics, blood pressure regulation | Interactive flowcharts (digital edition) | | 6 – Respiratory System | Gas exchange, ventilation mechanics, acid‑base balance | Comparison tables of lung diseases | | 7 – Renal System | Glomerular filtration, tubular reabsorption, fluid balance | Case study: acute kidney injury | | 8 – Gastrointestinal & Hepatic Systems | Digestion, absorption, liver metabolism | Metabolic pathway illustrations | | 9 – Endocrine System | Hormone synthesis, signaling, major gland functions | Endocrine disorders mini‑quiz | | 10 – Reproductive & Developmental Physiology | Gametogenesis, pregnancy physiology, developmental milestones | Evolutionary perspective notes | | 11 – Integration & Control | Autonomic regulation, stress response, thermoregulation | Summary tables & review questions | If the 4th edition is inaccessible, consider these
Removing DRM (e.g., using Calibre plugins) is a violation of the Digital Millennium Copyright Act (DMCA) in the US, even if you own the ebook. While private circumvention for personal backup is a gray area, distributing or downloading a pre-patched file is clearly illegal. Most students simply use the DRM-protected file with authorized software (Adobe Digital Editions, VitalSource Bookshelf) without issue. If the 4th edition is inaccessible