<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>
The max being 170 bpm. Target being 85 beats per minute.
No because you have to be 18 and have a valid state id