bones are light because if they were heavy then you would weigh a lot more and moving around would put more strain on your muscles causing you to injure yourself more often
Bones are light because they are hollow in the middle.
they have hollow bones because they need to be light
Bones are light because they are hollow inside and filled primarily with marrow, a spongy substance which produces new red blood cells in large bones.
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.
Bird
bird bones are hollow. that is why they are light
Adaptation feature of a bird with respect to bones:- light weight because of HOLLOW BONES along with reduction in the number of bones.
Birds bones are hollow. That is why they can fly, because they are so light because of their hollow bones. x)
bird
They are hollow and light.
yes
all birds are light because they have hollow bones