🦴Spine

Vertebral Column

33 vertebrae

The flexible column of 33 vertebrae extending from the skull to the pelvis, protecting the spinal cord and supporting the weight of the upper body. Its S-shaped curve is unique to humans and essential for upright walking.

💡Astronauts can grow up to 2 inches taller in space because without gravity the spinal discs expand.

7 structures

🦴 atlas 🦴 axis 🦴 cervical vertebra 🦴 thoracic vertebra 🦴 lumbar vertebra 🦴 sacrum 🦴 coccyx

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