Question

b) Compare the skeletal systems of humans and birds.​

Answer 1

Answer:

The main difference between the human and bird skeleton is that the bird's skeleton is adapted for flight. The bones of a bird are hollow which makes the skeleton lighter. ... A bird's sternum is large and positioned under the body - flight muscles attach to this bone. The ridge of the bird's sternum is called a keel.

Explanation:

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Answer 2

Answer:

your answer is in the picture

Explanation:

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