Technically speaking, it is hallow because there needs to be room for what's stored inside. The stuff inside is called marrow, which makes blood and has blood vessels that are in it so blood can flow throughout the body, and without marrow, we'd all be dead. :)
It isn't hollow it has bone marrow in it, but when someone dies it becomes hollow because the marrow dries up.
Bird bones are not filled with marrow. They are essentially hollow. This makes the bird lighter, which facilitates it's ability to fly.
Long bones have to make red blood cells with bone marrow, and the bone marrow has to fit inside the long bone.
Bones are hollow because according to the laws of physics a hollow bone can support more weight than a solid one.
Some bones are hollow because they contain a marrow cavity with makes Red (RBCs) and White (WBCs) blood cells. Some contain yellow marrow which has fat cells and do not make blood cells.
they contains bone marrow, which is useful for making blood
bones are hallow because the marrow inside them produces red blood cells
Birds have hollow bones to help them fly. Solid bones would add to much weight and make it impossible to fly. All of a bird's bones are hollow.
They're not. Bones are filled with bone marrow. Some bones might seem empty and/or hollow due to decay of tissue. This is mostly in cases where the person has broken a bone.
Chicken bones are light, thin and filled with sponge like material and hollow spaces. Human/adult bones are heavy,thicker and full of marrow with no hollow spaces.
Penguins do not have skeletons that are identical to humans certain things are different such as bone length and the presence of a tail in the penguin. But certain structures are referred to as homologous. example: the flipper in the penguin and the arm and hand of a human have the same bone structure just different bone lengths.
This is because the weight that bears down on the bone is off center and bends it. Bending compresses the bone on one side and subjects it to stretching on the other. However, both forces are minimal towards the center so the structure of the bone is not compromised.
Birds can fly as they are light and have hollow bone. They also have wings that can propell themselves off the ground. Humans are simply to heavy and have the wrong bone structure for flying and obviously we don't have wings!
I'm pretty sure that they are HOLLOW because if you look at a horn or something made out of a horn than you'll see that its hollow and no one hollowed it out it just came that way so just to sum it up animal thorns ARE hollow.~Yes animal HORNS are hollow, but don't be confused in thinking that every bone-like structure protruding from an animal's head is a horn. If the structure is NOT hollow it is an ANTLER. Examples: Cows and goats have horns. Deer and elk have antlers.
A full bone is definitely heavier than a hollow bone, hope this helps.
bone marrow..
If you mean "hollow" of a bone... it would be marrow.
No, it is found in the hollow cavity inside the bone.
compact bone
No. Yellow bone marrow is found in the hollow cavity inside the bone.
yes EDIT: They are not hollow while they are alive, they are filled with 'living bone' which means that the bone will dry up and decay (like tissue or cartilage) leaving a hollow horn after the animals death.
Fossa
marrow
epiphysis
hollow bones are stronger than compact bones
The hollow interior part of a long bone contains bone marrow.