Is Introductory Human Physiology free? Full cost breakdown
The short answer
What you actually pay for Introductory Human Physiology
Introductory Human Physiology carries a free cost classification. You can work through the course content without paying. Where a shareable certificate is offered, that is normally the part that carries a fee. The learning material itself is not gated behind one.
The cost classification above is the one Duke University publishes in the structured data on its own course listing, retrieved 2026-08-14. We report that classification rather than a headline price, because the advertised price changes with promotions, region and subscription bundling. The classification is the part that tells you what kind of purchase you are making.
Introductory Human Physiology cost at a glance
| Detail | Info |
|---|---|
| Course | Introductory Human Physiology |
| Cost model | Free: course material available at no cost |
| Provider | Duke University |
| Taught by | Jennifer Carbrey |
| Time to complete | 34 hours |
| Certificate | Offered on completion |
| Learner rating | 4.8 / 5 from 5,353 ratings |
| Total enrolled | 602,797 |
| Subject area | Life Sciences |
Is the Introductory Human Physiology certificate worth paying for?
Introductory Human Physiology offers a certificate on completion. Whether it justifies its cost depends on what you need it for. A certificate is evidence that you finished something; it is not evidence that you can do the work. Hiring managers in Life Sciences weight a portfolio of applied work more heavily than a completion certificate, and that gap widens the more senior the role.
The case for paying is narrower and more specific than the marketing suggests: an employer or professional body that reimburses or requires it, a visa or compliance requirement, or a career change where you have no other artifact to show. If none of those apply to you, the free or audit path plus a project you actually built is usually the better trade.
How long Introductory Human Physiology really takes
Duke University lists Introductory Human Physiology at 34 hours. Treat that as the floor rather than the estimate. Published durations count video and reading time; they do not count re-watching, note-taking, or the time you lose to an exercise that will not compile. A realistic planning figure is roughly one and a half to two times the listed length.
This matters directly to cost when the course is subscription-based, because the time it takes you is what you are actually paying for.
What 5,353 ratings tell you
A 4.8 average across 5,353 ratings is a strong signal, and the volume matters as much as the score. Averages built on a few hundred ratings move easily, and this one is not. 602,797 learners have enrolled in total.
Enrolment counts are cumulative and include everyone who signed up, not everyone who finished. On free and subscription courses in particular, enrolment is a much weaker signal than the rating, because signing up costs nothing.
Who Introductory Human Physiology suits
Introductory Human Physiology is taught by Jennifer Carbrey through Duke University, in Life Sciences. Explore the fascinating world of human physiology and learn about the body's organ systems, their functions, and how they maintain health. In this comprehensive course, you will: - Master key concepts in human physiology and homeostasis - Delve into the nervous, endocrine, cardiovascular, respiratory, and urinary systems - Examine the role of senses, muscles, gastrointestinal, and reproductive sy
How Introductory Human Physiology compares on cost to other Life Sciences courses
Cost model is easier to judge against its neighbours than on its own. Of the 6 other Life Sciences courses we hold cost data for, one is free, which is the context that tells you whether free is normal here or unusual.
| Course | Cost model | Rating | Length |
|---|---|---|---|
| Introductory Human Physiology | Free | 4.8 | 34 hours |
| Positive Psychology: Character, Grit and Research Methods | Subscription | 4.4 | 12 hours |
| Positive Psychology Specialization Project: Design Your Life for Well-being | Subscription | 4.8 | 6 hours |
| Researcher Management and Leadership Training | Subscription | 4.8 | 20 hours |
| Vital Signs: Understanding What the Body Is Telling Us | Free | 4.8 | 14 hours |
| Epidemiology: The Basic Science of Public Health | Subscription | 4.7 | 7 hours |
| Bioinformatic Methods I | Subscription | 4.7 | 20 hours |
Frequently asked questions about Introductory Human Physiology
Is Introductory Human Physiology free?
Introductory Human Physiology is classified as free, so the course material can be accessed without payment. A certificate, if one is offered, is typically the paid element.
How long does Introductory Human Physiology take?
Duke University lists it at 34 hours. Allow more than that in practice: published durations exclude review time and exercises that take longer than planned.
Does Introductory Human Physiology come with a certificate?
Yes, a certificate is offered on completion. It is normally the paid component even where the course material itself is not.
Is Introductory Human Physiology worth it?
It holds 4.8 out of 5 from 5,353 ratings, with 602,797 enrolled. On cost model it is free, so the question is less whether it is good and more whether the cost model fits how you actually study.
Compare Introductory Human Physiology against alternatives
Run this course against others on cost model, time and certificate value in our free tool.
Open the Course ROI ShowdownView Introductory Human Physiology on Duke University for current pricing and enrolment.
Federal data behind this page
What a programme costs, what its graduates earn, and what aid is available are published by federal statistical agencies rather than by any provider's marketing page, and the sources below are the primary ones. They are linked so a reader can check a figure here directly.
- College Scorecard publishes the federal cost, completion and post-enrolment earnings data used to compare programmes.
- National Center for Education Statistics is the federal statistical agency for education and the source most published figures trace back to.
- IPEDS holds the institution-level survey data behind enrolment, price and completion comparisons.
- Federal Student Aid states what aid exists, who qualifies, and what repayment actually obligates a borrower to.
- CFPB paying for college documents how education financing works and where its common traps are.
- US Department of Education sets the policy framework the accreditation and aid systems operate under.
- Department of Education laws and policy carries the rules that decide whether a provider or credential is recognised.
This page compares programmes on published data. Outcomes vary by student, and a reader's own aid package and circumstances decide what a programme actually costs them.