Question

B. Fill in the blanks.
1. Birds have_bones which help them to
2. There are a total of_bones present in the skull.
3. Snakes move in a_motion and press against the ground with the_help of_on their bodies in order to push forward.
4. Fish, amphibians, reptiles, birds and mammals are categorised as_they have a vertebral column.
5. There are_bones in an adult human being.​

Answer 1

Answer:

1:hollow

Explanation:

Birds bones are hollow to make them light