Because it is flexible. Think about it; the ribs protect both the lungs and the heart. If the ribs were solid bone all the way around then unless you constantly break your ribs you wouldn't be able to expand the cheat to breath. Additionally your lungs would constrict the heart to a degree that it would function properly.
Answer:
The swelling of the ocular muscles.
Answer:
i believe the circulatory system
Explanation:
I would have to say the first option is the most efficient answer for the question you have asked
That depends what type of food, i think that’s too hot for almost all foods though. You should wait for it to cool down.