Vertebrates are animals that have a back bone. These animals include humans, dogs, cats, pigs, cows, and chickens. The backbone is also called the spine and is made of bones called vertebrae. You can bend forward, left and right, and some of you can bend backwards (doing a back bend). This is because your backbone […]
Backbone
QUESTION: Why does my backbone bend? ANSWER: All the bones of your body make up the skeletal system. This system provides the framework that allows you to stand upright and protects delicate internal body parts. An adult has about 206 bones. The number of bones varies from person to person because of the differences in […]