206 bones. One body. Yours.
Every bone counts. Know all 206.
An interactive skeleton, free bone health tools and plain-language guides, so you can understand the frame you live in and keep it strong for life.
No sign-up. Tool answers stay on your device. Every health claim links to its source.
Tap a region to explore it206 bones
Five free tools for stronger bones
Learn the skeleton, see where your bones stand, and build the habits that protect them. Each tool takes a few minutes.
Anatomy and learning
Bone health checks
Nutrition
Movement
Get the right bone and joint care, sooner
Answer four quick questions and we'll help you reach a bone density service, orthopedic specialist, rheumatologist or physiotherapist that fits your concern, location and coverage.
- About a minute, on any device
- Free, with no obligation
- You choose who contacts you, and how
Start here: what would you like help with?
Why your 206 matter
Bones are living tissue that rebuild themselves all your life. When the balance tips, the results show up in numbers like these.
women over 50 will have a fracture caused by osteoporosis, and 1 in 5 men.
International Osteoporosis FoundationAmericans are estimated to have osteoporosis, about 80% of them women.
Bone Health & Osteoporosis FoundationPlain answers, with sources linked
Every bone listed, osteoporosis and bone density tests explained, nutrition, exercise and fracture recovery. All guides
- AnatomyAll 206 bones in the human body, region by regionThe complete list of all 206 adult bones by region, with tables for the skull, spine, ribs, arms, hands, legs and feet, plus why bone counts vary by person.10 min read
- ConditionsOsteoporosis: Symptoms, Risk Factors, Diagnosis and TreatmentOsteoporosis explained in plain language: why it is silent until a bone breaks, who is at risk, how DXA and FRAX are used, treatment options and prevention.10 min read
- Bone HealthBone Density Test (DEXA/DXA Scan): What It Is and How to Read Your ResultsHow a DEXA bone density scan works, how to prepare, what T-scores, Z-scores and FRAX mean, who should be tested, how often, and what Medicare covers.9 min read
- NutritionCalcium and Vitamin D for Bone HealthHow much calcium and vitamin D you need at every age, the best dairy and plant food sources, absorption tips, safe upper limits, and a sample 1,100 mg day.9 min read
- MovementExercises for Strong BonesWhich exercises build and protect bone: impact, strength and balance training, WHO activity targets, safe moves with osteoporosis, and a sample weekly plan.10 min read
- ConditionsBroken Bones: Fracture Types, Healing Stages and Recovery TimeA plain-language guide to broken bones: fracture types, emergency warning signs, treatment, the four stages of bone healing, typical recovery times and rehab.10 min read
Watch: how bones work
Short explainers from TED-Ed, Crash Course, Mayo Clinic and bone health organizations. All videos
October 20 · World Osteoporosis Day
The Strong Bones Challenge is open
Share your best bone-health habit, story or idea, or enter your class's skeleton artwork. $300 in prizes, free to enter, judged on usefulness and originality.
Entries close November 30, 2026
Get involved
206206 is independent and free. Here's how you can win, help, or reach this audience.
Advertise
Founding rates
Sponsor a tool, guide, newsletter or contest and reach a bone-health audience.
See packagesList your practice
Patient inquiries
For clinics, imaging centers and physiotherapists who treat bones and joints.
Get listedFor clinics and practitioners
Orthopedic and spine clinics, bone density and imaging centers, rheumatology, physiotherapy, chiropractic and podiatry practices: list your services and receive inquiries from people looking for exactly what you offer.
Questions people ask
How many bones are in the human body?
A typical adult has 206 bones: 80 in the axial skeleton (skull, spine, ribs) and 126 in the limbs and their girdles. Babies start with roughly 270 to 300 bony pieces that fuse as they grow, and some adults have a few extra small bones. See the full list.
Are the tools free?
Yes. Every tool works without an account. The site is paid for by advertising, sponsorships, optional fees from listed care providers and reader support.
Is this medical advice?
No. 206206 is educational. Our tools and guides help you understand your bones and prepare for a conversation with a qualified clinician; they don't diagnose or treat anything.
Why is the site called 206206?
206 is the number of bones in the adult skeleton, and doubling it makes a name that's easy to remember. See what 206 means in anatomy, phone numbers, web technology and math.