Question

which types of bones have birds.
which is correct–
1.holow bones
2.fixed bones
3.moveble bones​

Answer 1

Answer:

Birds have a lightweight skeleton made of mostly thin and hollow bones. The keel-shaped sternum (breastbone) is where the powerful flight muscles attach to the body. Birds have a smaller total number of bones than mammals or reptiles.

Explanation:

HOLLOW BONES

Answer 2

Answer:

Hollow bones.........