Learning Paths

This book contains more than any single course covers. That is deliberate: it serves a two-semester majors sequence, a one-semester survey, an accelerated allied-health course, and a self-directed reader, and those are genuinely different books hiding inside one.

Below are six curated routes. Each names the core chapters (do not skip), the supporting chapters (read, but at lower resolution), and the sidebar priorities that matter most for your program.

All six paths assume you read Part I. Nobody skips Part I.

   PART I         PART II                 PART III              PART IV
  FOUNDATIONS   SUPPORT/MOVEMENT        REGULATION            MAINTENANCE
  ┌─┬─┬─┬─┐   ┌──┬──┬──┬──┬──┬──┐   ┌──┬──┬──┬──┬──┬──┐  ┌──┬──┬──┬──┬──┬──┬──┬──┬──┬──┐
  │1│2│3│4│   │5 │6 │7 │8 │9 │10│   │11│12│13│14│15│16│  │17│18│19│20│21│22│23│24│25│26│
  └─┴─┴─┴─┘   └──┴──┴──┴──┴──┴──┘   └──┴──┴──┴──┴──┴──┘  └──┴──┴──┴──┴──┴──┴──┴──┴──┴──┘
  ═══════════════════ SEMESTER 1 ══════════════════════╬═════════ SEMESTER 2 ═══════════
                                (typical split: after Ch. 16, the endocrine system)

    PART V  CONTINUITY        PART VI  INTEGRATION
   ┌──┬──┬──┬──┐             ┌──┬──┬──┐
   │27│28│29│30│             │31│32│33│
   └──┴──┴──┴──┘             └──┴──┴──┘

  DEPENDENCIES (what must come before what)
    1 → everything             11 → 12,13,14,15,16      18 → 19 → 22,26
    2 → 3 → 4 → everything     16 → 24,26,27,28         17 → 18,20,21
    4 → 5,6,9,11               19 → 20 → 21             20 → 22,26,31
    6 → 7 → 8                  22 → 25,31               26 → 31 → 32 → 33
    9 → 10,32                  24 → 25,32

Path 1 · Nursing and Allied Health (two semesters)

The default path. Read all 33 chapters in order.

This is the audience the book is built around, and nursing programs test on essentially all of it. What changes is not what you read but how you weight it.

Why Chapter 31 matters so much for you: almost every hospitalized patient is a fluid and electrolyte problem wearing a diagnosis. Diuretics, IV fluids, NPO status, vomiting, wound drainage, ventilator settings, and renal failure all converge on the same handful of variables. Master those variables once and a large fraction of clinical nursing becomes predictable.

Path 2 · Pre-Medicine, Pre-PA, Pre-Dental (two semesters, depth-first)

Standardized exams reward mechanism and integration far more than nomenclature. A question will not ask you to name the muscles of the rotator cuff; it will give you a graph of pressure and volume in a ventricle and ask what a drug did.

A specific recommendation: do Chapters 18, 19, 22, 26, and 31 as a single connected unit rather than five separate ones. Cardiac output, vascular resistance, ventilation, filtration, and acid-base are one system with four names, and exam questions increasingly treat them that way.

Path 3 · Kinesiology, Exercise Science, and Athletic Training

Your version of this course is genuinely different, and most textbooks will not admit it. You need musculoskeletal anatomy at a resolution nursing students do not, and you need cardiopulmonary and metabolic physiology under load rather than at rest.

Chapter 32 was written for you. Integrated Exercise Physiology pulls the whole book through one lens: what changes, in every system simultaneously, when a body works at its limit. Read it last — it assumes everything — but read the Exercise & Sport sidebars as a continuous thread on the way there. Taken in order they form a short course in exercise physiology inside the larger book: motor unit recruitment (Ch. 9), bone remodeling under load (Ch. 6), joint loading and injury mechanism (Ch. 8), cardiac output at VO₂max (Ch. 18–19), the ventilatory threshold (Ch. 22), substrate crossover and glycogen depletion (Ch. 24), heat balance and its limits (Ch. 25), and sweat sodium (Ch. 31).

Path 4 · EMT, Paramedic, and Emergency Care (accelerated)

You need fewer chapters at greater urgency. Prehospital care is airway, breathing, circulation, perfusion, and neurologic status — and the physiology that explains why each fails.

Accelerated order (10 weeks): 1 → 3 → 4 → 11 → 12/13 → 14 → 17 → 18 → 19 → 22 → 26 → 31 → 33. Add the supporting chapters as time allows. Do the Case File entries even when compressed — in emergency medicine the integration is the skill, and shock is the purest example of multi-system failure in the book.

Path 5 · One-Semester Survey (non-majors, dental hygiene, health sciences)

Sixteen weeks, roughly one system per week, no lab practical or a light one. The goal is a durable mental model, not comprehensive nomenclature.

Core 16: 1 · 3 · 4 · 5 · 6 · 7 · 9 · 11 · 12 · 16 · 17 · 18 · 19 · 22 · 23 · 26

Then, if there is room: 21 (immunity), 25 (thermoregulation), 27 (reproductive), 31 (fluid/acid-base).

Path 6 · The Self-Directed Reader

No exam, no syllabus, no deadline. You want to understand the body you live in. This is a legitimate reason to read a textbook and this book was written with you explicitly in mind.

Read in this order — it is not the course order, it is the interesting order:

1. Chapter 1 — the vocabulary and the idea of homeostasis. Non-negotiable.
2. Chapter 3 — cells. Everything else is cells cooperating.
3. Chapters 18 and 19 — the heart and circulation. The most immediately felt system you own.
4. Chapter 22 — breathing. You are doing it now; you will never do it unconsciously again.
5. Chapters 11 and 12 — neurons and the brain. The strangest chapters in the book.
6. Chapter 5 — skin. Your largest organ and the one you can actually watch work.
7. Chapter 9 — muscle contraction. The single most beautiful mechanism in physiology.
8. Chapters 26 and 31 — kidneys and the chemistry of balance. Nothing prepares you for how good the kidney is at its job.
9. Chapter 21 — immunity. A standing army that learns.
10. Chapters 24 and 25 — metabolism and temperature. Where your breakfast went, and how you hold 37 °C in a snowstorm.
11. Chapter 32 — exercise. The whole body, revealed under load.
12. Chapter 30 — aging. Read it last of the systems; it re-reads everything before it.
13. Chapter 33 — the capstone. Put it back together.

Then fill in Chapters 2, 4, 6, 7, 8, 10, 13–17, 20, 23, 27–29 in any order you like.

Skip every Review section without guilt — but do the Predict This prompts. They are the difference between reading about physiology and thinking physiologically.

Choosing your sidebar diet

If you read every sidebar in every chapter, you will read roughly a third more book than you need. Use this table.

●●● essential · ●● worthwhile · ● skim · ○ skip unless assigned

Next: meet the family whose story runs through every chapter — The Systems Integration Case File.