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What makes human bones lighter?
marrow
What is different about a bird's bones?
the bones are hollow. makes the bird a lot lighter and thus generally suited to take flight!
How do birds fli?
Birds have Hollow bones, that makes it lighter so they can soar in the sky.
How do hollow bones in a a bird aid flight?
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
Some birds have air-filled cavities in their bones unlike humans What advantage does this give them?
it makes their bodies lighter so they can still fly. this is called pneumatisation.
Do hollow bones affect birds flight?
Yes, it makes them lighter so they are able to fly easier.
Does the cartilage of sharks instead of bones help sharks to swim much faster?
yes, it makes the shark lighter
Why are birds so light compared with similarly sized mammals?
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.
Why does ascending in an elevator makes you feel heavier and descending in it makes you lighter?
When the elevator accelerates upwards, it pushes you against the floor, increasing the normal force acting on you, making you feel heavier. When the elevator descends and decelerates, there is less normal force acting on you, so you feel lighter.
What kind of muscle makes human bones light?
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.
What type of bones do birds have that makes them able to fly?
Birds have hollow bones that make them lighter so they can fly more easily.
Why an object underwater feels lighter than it is in air?
There is a force called upthrust coming from the water. this pushes objects upwards, making the resultant force lower, which means they seem to weigh less.
