Human Body Quiz: In 24 hours, An average human heart beats 1,03,689 times. In 24 hours, An average human Lungs respire 23,045 times. In 24 hours, An average human Blood flows 16,80,000 miles. An average human Nails grow 0.00007 inches in every 24 hours, . An average human Hair grows 0.01715 inches in 24 hours, . In 24 hours, An average human Take 2.9 pounds Water (including all liquids). In 24 hours, An average human Take 3.25 pounds FOOD. In 24 hours, An average human Breathe 438 cubic feet AIR. In 24 hours, An average human Lose 85.60, BODY TEMPERATURE. In 24 hours, An average human Produce 1.43 pints SWEAT. In 24 hours, An average human Speak 4,800 WORDS. In 24 hours, An average human During SLEEP move 25.4 times. The fastest human beings runs only about 30 kilometres per hour (18 miles per hour). About 10% of the world’s population is left-handed. A person afflicted with hexadectylism has six fingers or six toes on one or both hands and feet A human eye blinks over 10,000,000 times a year! The vocabulary of the average person consists of 5,000 to 6,000 words. The average person laughs about 15 times a day Fingernails grow nearly 4 times faster than toenails! Never hold your nose and cover your mouth when sneezing, as it can blow out your eyeballs. People who ride on roller coasters have a higher chance of having a blood clot in the brain. Sneezing stops heart beat for a second and then continues. Shape of the backbone is important to have sufficient breathing. Like fingerprints, everyone’s tongue print is different.