Their hearts beat faster and must pump more blood under higher pressure, and they must also breathe more. Part of the reason they're always gasping for air, besides their own fat choking them, is that they NEED more oxygen, and oxygen oxidizes (duh), so it damages and kills more cells.
[–] 6596897? 0 points 1 point 1 point (+1|-0) ago
Their hearts beat faster and must pump more blood under higher pressure, and they must also breathe more. Part of the reason they're always gasping for air, besides their own fat choking them, is that they NEED more oxygen, and oxygen oxidizes (duh), so it damages and kills more cells.