Hollow Bones

What fills the hollow of most bones?

• Bone blood

• Bone marrow

• Spongy Bone

• Compact Bone

What advantage do we gain from the fact that bones are hollow?

• We can move around easily

• Our bones don't fracture easily

• Our bones can make marrow easily

• Our internal organs receive more support

What fills the hollow of most bones?

• Bone blood

• Bone marrow

• Spongy bone

• Compact bone

What is the primary function of hollow bones in birds?

• To store fat

• To reduce body weight for flight

• To increase bone strength

• To store calcium

Which of the following animals is most likely to have hollow bones?

• Elephant

• Eagle

• Shark

• Frog

Hollow bones are an adaptation primarily found in which group of animals?

• Mammals

• Reptiles

• Birds

• Amphibians

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How do hollow bones contribute to the flight of birds?

• By increasing muscle attachment

• By reducing overall body weight

• By storing more oxygen

• By providing more calcium

What is the structural benefit of hollow bones in birds?

• Increased density

• Increased flexibility

• Decreased weight

• Decreased strength

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Which part of the bird's anatomy is most directly supported by hollow bones?

• Feathers

• Muscles

• Wings

• Beak

In addition to being hollow, what other feature do bird bones have to support flight?

• They are filled with air sacs

• They are made of cartilage

• They are covered in feathers

• They are solid and dense