The human body in 3D

Your body has 206 bones and more than 600 muscles! Tap a bone or a muscle to learn its name.

Did you know?

• An octopus has 3 hearts and blue blood!
• The blue whale is the biggest animal that has ever lived on Earth, bigger than any dinosaur.
• Plants give off the oxygen we breathe every day.

Quiz

When plants photosynthesise, which gas do they give off?

• Oxygen
• Carbon dioxide (CO₂)
• Nitrogen