Seymour Simon has written over 200 award-winning science books about animals, anatomy, astronomy, earth science, and vehicles!
- Six tiny muscles hold each eyeball steady in the sockets of your head.
- The ears contain the three smallest bones in the body: the hammer, anvil, and stirrup.
- In addition to hearing, ears help you to keep your balance.
- Without the brain, we wouldn t be able to see or hear.