The bony structure that surrounds the brain is known as the skull, or "cranium".
inner ear
The internal bony structure is called an "endoskeleton", in contrast to a rigid shell on the outside of the animal, normally made of chitin.Animals that possess these structures are known as vertebrate animals.
This is called the skeletal system. It is composed of 206 bones in an adult.
skleton
False
Vertebrae
Most likely a quill.
Ribs!
skleton
If the bony thorax were a closed structure, it would not only be heavier to carry, but would also allow for less physical flexibility.
No, because a shark is not a bony fish as it's skeletal structure is made of cartilage.