Because sometimes the universe is shaking, and that is what causes it.
you because you are the source
it is because the Glottis briefly stops the air flow. that causes the air to get out hardly and causes the grunting sounds.
because your old
because of the need to survive
because their is no doorbell
its because of lubrication
because
because of sun
Because it does
because it causes goiter
Because it is filtration........................................................................................................................................................................................................................................................................................................................................................................................................................................................