No machine can compare to the human body, which can do all this with a minumum of conscious control and awareness:
As an average adult during an average day:
You exercise 7,000,000 brain cells.
You speak 48,000 words.
Your heart beats 103,689 times.
Your blood travels 27,000 kilometres or 16,800 miles.
You breathe 23,040 times.
You inhale 12.4 cubic metres or 438 cubic feet of air.
Your hair grows 0.44 millimetres or 0.01717 inch.
Your nails grow 0.0012 millimetres or 0.000046 inch.
You move 750 major muscles.
You eat 1.5 kilograms or 3.25 pounds of food.
You drink 1.3 kilograms or 2.9 pounds of liquids.
You lose 2.8 kg or 6.2 pounds of waste.
You perspire 677 millilitres or 1.43 pints.
You turn in your sleep 25 to 30 times.
You give off 29.8 degrees C or 85.6 degrees F.
Just like any piece of finely tuned machinery needs tune-ups, so too does every human body need regular Chiropractic check-ups to ensure that the nervous system can control everything optimally.