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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...
Wiki User
∙ 14y ago
Wiki User
∙ 9y agoA bird's bones are virtually hollow so that they are light weight so the birds can fly. Other animals, including humans, have more marrow in our bones and they are very heavy compared to bird bones.
Wiki User
∙ 15y agoThey are partially hollow, to make less weight for them.
Wiki User
∙ 11y agoBirds bones are hollow so they are more lightweight, and make for better flying. Human bones do not need to fly so we have solid bones.
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Do plants have an exoskeleton?
Animals like insects, have exoskeletons-basically they have no bones, and only have tough,protective, often shell like skin. Animals like cats, dogs, horses, giraffes and and birds are all endoskeletons- they have bones, and those bones are internal (on the inside of the skin).
Why is the relationship between a humans pregnancy length and average life span different from those of other animals?
The relationship between a humans pregnancy length and average life span is not so different than other mammals. It appears to be closely related to size.
Why did scientists think that large animals of the ice age became extinct?
Because people kept finding their fossilized bones as well as complete animals frozen in the permafrost of Siberia. There aren't any of those animals living now so they must be extinct.
What animals have scales?
animals that have scales are snakes, crocodile's, and fish not only those animals but other species to like dinosaurs which are extinct .
What makes a bird a bird?
A bird has to have feathers, hollow bones, and be warm-blooded. So if a bird has those characteristics it is a bird.Lay eggs and birds are Vertebrates.
How is your brain different from the brain of animals?
In one sense, since humans are animals, your brain does not differ from the brina of an animal. human brains, and those of the other great apes, do differ from those of other animals in size relative to body size. In addition, human brains have structured that some other animals, reptiles, for example, lack.
How is your brain different from the brain of the animals?
In one sense, since humans are animals, your brain does not differ from the brina of an animal. human brains, and those of the other great apes, do differ from those of other animals in size relative to body size. In addition, human brains have structured that some other animals, reptiles, for example, lack.
How do bones of human different from those of birds?
Human bones are thicker and denser; bird bones are thinner, hollow and mean less weight on the bird.
What color is an animal?
It depends on the animal. There are thousands of different animals and thousands of different species of those animals.
Who has more bones teenagers or babies?
A baby has over 300 bones to begin with, and by adulthood, those bones form with other bones and cartilages, resulting in about 206 bones in his/her body.
What other part of the human body has 27 bones?
The hand is part of the human body that has 27 bones. Out of the 27 bones eight of those bones are in the wrist.
Do plants have an exoskeleton?
Animals like insects, have exoskeletons-basically they have no bones, and only have tough,protective, often shell like skin. Animals like cats, dogs, horses, giraffes and and birds are all endoskeletons- they have bones, and those bones are internal (on the inside of the skin).
How is your brain different from the brain of the animal?
In one sense, since humans are animals, your brain does not differ from the brina of an animal. human brains, and those of the other great apes, do differ from those of other animals in size relative to body size. In addition, human brains have structured that some other animals, reptiles, for example, lack.
How do you make a new species of animal?
Have different animals have babies then let those babies have babies with different animals.
Are bones permanent?
Bones can decay like any other organic material. Sometimes, however, bones can be preserved in rock - those are called fossils.
What makes a mammals distinctive?
All mammals have hair and mammary glands. Nearly all give live birth where most other animals lay eggs. Mammals also have a distinctive skeletal system that is different from those of other animals.Mammals are warm blooded air-breathing vertebrate animals that are categorized by their hair, three middle ear bones and the mother nursing their young ones with milk.
What are the lines on your cranium?
If you're asking about the joinings of the different bones, those would be "sutures".
