the lungs fill with air because the diaphragm (a muscle that runs underneat the ribcage) moves and causes the lungs to inflate
The local community.
desmosomes
Oxygen is produced by plants and blue-green algae and consumed by burning and animals breathing.
The ship Engineers were responsible for keeping the lights on, and maintained.
Oxygen is produced by plants and blue-green algae and consumed by burning and animals breathing.
Gravitational Force is responsible for keeping the moon in the orbit around Earth.
vascular bundles(xylem & phloem) that are in the middle of the stem, pith.
keeping the ball out of the net.
Jack
don't know by keeping the structure good collapsing
you are breathing and you are keeping your eyes closed
the founder and the administators