If that rate of increase continues and if the world were nothing but oil, all the oil would be used up in 400 years. A person's heart beats about 100,000 times a day. About 9000 quarts of blood move through the heart every day. A woodchuck hibernates to survive the winter when food is scarce. Its heartbeat slows to 4 beats a minute.
Breathing slows to just one breath per minute.
Its body uses so little energy that its body fat is enough chemical fuel to last through the winter. In the ocean it is totally dark at depths greater than 600 meters. About half the animals found below that depth glow. The light serves to attract prey and mates. A person sheds about 50 million dead skin cells every day.