Facts about the human body

 Heart & Blood

1. The heart beats about 100,000 times per day
2. It pumps about 5-6 liters per minute at rest
3. Over a lifetime, the heart pumps nearly 1.5 million barrels of blood
4. Your body contains about 60,000 miles of blood vessels
5. A single drop of blood contains about 250 million red blood cells

Breathing & Lungs 6. An average person takes about 20,000 breaths a day 7. Your lungs contain about 300 million air sacs called alveoli 8. The surface area of your lungs is about the size of a tennis court 9. You exhale about 17.5 milliliters of water per hour through breathing

Skin 10. You shed about 50,000 skin cells every minute 11. You lose about 30,000 to 40,000 dead skin cells every hour 12. Your skin completely renews itself every 28 days 13. You have between 2 to 5 million sweat glands spread across your body 14. Your skin is your largest organ, weighing about 8 pounds

Brain & Nervous System 15. Your brain contains about 86 billion neurons 16. Nerve impulses travel at speeds up to 250 mph 17. Your brain uses 20% of your body's oxygen and energy 18. The brain generates about 12-25 watts of electricity 19. Information travels along neurons at different speeds, from 1 mph to 268 mph

Kidneys & Filtering 20. The kidneys filter your blood about 300 times a day 21. Your kidneys filter about 50 gallons of blood daily 22. Each kidney contains about 1 million filtering units called nephrons

Senses 23. You have about 10,000 taste buds, which are replaced every 2 weeks 24. The human nose can remember 50,000 different scents 25. Your eyes can distinguish about 10 million different colors 26. The human eye blinks about 15-20 times per minute 27. You blink about 28,800 times a day

Mouth & Digestive System 28. The number of bacteria in your mouth is greater than the total number of people on Earth 29. You produce about 1-2 liters of saliva every day 30. Your stomach produces a new layer of mucus every two weeks to protect itself from acid 31. Food takes about 6-8 hours to pass through your stomach and small intestine 32. Your small intestine is about 20 feet long

DNA & Cells 33. If the DNA in all your cells were uncoiled and laid end-to-end, it would stretch 10 billion miles 34. Your body creates about 25 million new cells every second 35. You have about 37.2 trillion cells in your body 36. Every cell in your body has about 6 feet of DNA packed inside it

Bones & Muscles 37. You have 206 bones as an adult, but babies are born with about 300 38. Your bones are about 5 times stronger than steel of the same weight 39. You have over 600 muscles in your body 40. The strongest muscle in your body relative to size is the masseter (jaw muscle) 41. Your bones are constantly being broken down and rebuilt

Hair & Nails 42. Hair grows about 6 inches per year on average 43. You have about 100,000 hairs on your head 44. You lose 50-100 hairs every day naturally 45. Fingernails grow about 3.5 millimeters per month

Unique Facts 46. Your body produces about 25 million new skin cells every hour 47. The human body contains enough iron to make a 3-inch nail 48. You produce enough saliva in your lifetime to fill two swimming pools 49. Your body emits a tiny amount of light that's too weak for the human eye to see 50. The acid in your stomach is strong enough to dissolve razor blades 51. Your feet contain about 250,000 sweat glands and can produce half a pint of sweat daily 52. The average human body contains enough carbon to make 900 pencils 53. Your liver performs over 500 different functions in your body 54. Red blood cells live for about 120 days before being recycled.

The intricate design and flawless coordination of all these systems working together continuously is truly remarkable and speaks to the wisdom of our Creator Allah.