In order for the bird to be as light as possible for flight. This "hollowness" reduces their body weight by about 5%, depending on what kind of bird it is, in contrast to their would-be weight if their bones were not hollow.
Tobi says: Bird's bones are hollow to help them fly,obviously to reduce weight when they fly. Human bones, on the other hand, are not hollow. We need strong bones to do the things we do, eg: walking, skipping, jumping etc...
both wings have a lot of bones and humans dont have wings
why do you think i asked you think i knoww a blue bird has 49 bones in its body.
Bird bones are hollow, making them lightweight for flying. They also have air sacs connected to their respiratory system which helps with efficient oxygen exchange. Additionally, some bird bones are fused together to provide structural strength and support during flight.
Hollow bones, light body, large lungs and compact skeletal system.
hollow bones are stronger than compact bones
No. Flat bones consist of spongy bone sandwiched between compact bone.
bird bones are lighter
Bird bones because feathers are very light and the bones just depend on the type of bird.
Yes compact is on the outside while spongy is on the inside.
lumellar
The Compact Bone
spongy and compact
Butt Crack -_-
Bird Bones in the Bughouse was created in 2004-10.
Skeletal system includes the compact bones. The other type of bone is spongy bones. They perform the specific and desired functions.
Because it does not have beak,feathers,bones,ears,kidneys,lungs and so many other features.Having larvae in life cycle,two sets of wings,exoskeleton,compact eyes etc also make a dragonfly different from a bird