It can offer protection to the brain, it can collapse under stress, and it can provide attachment sites for teeth.
<span>The respiratory system of the body can be injured by volcanic ash that comes from a volcanic eruption. You can inhale this ash and it can get into your body and system and mess with your inner organs. I don't see how this can happen with boulders and rocks, as they are way too big to be inhaled the way ash can be.</span>
Answer:
People differ in the amounts of sleep and rest needed.
Explanation:
You did not elaborate. This was all I could think of.
