marrow
The type of muscles that wrap around bones are typically skeletal muscles, but muscles do not make the bones light. What makes bones light are the fact that they are porous. There are a lot of holes within the bones that make it lighter, but those holes make sort of arcs and what not, similar to those in the Eiffel tower, for example. They are light weight, but very strong.
the bones are hollow. makes the bird a lot lighter and thus generally suited to take flight!
Birds have Hollow bones, that makes it lighter so they can soar in the sky.
it helps them fly because their bones are lighter and its easier to fly with light bones. But birds with dense bones, such as penguins makes it impossible for them to fly
it makes their bodies lighter so they can still fly. this is called pneumatisation.
Yes, it makes them lighter so they are able to fly easier.
NOBODY REALLY KNOWS Hahahaha
All the bones in the human body is made up of calcium.
yes, it makes the shark lighter
Birds have a number of traits that make them lighter, an adaptation for flight. The mait trait that makes birds lighter is that their bones are hollow.
Sodium is what makes bones white. Without sodium human bones would be black and would spontaneously catch fire when the temperature rises above 95.342232435232 degrees Celsius.
bird bones are lighter