Human Biology Facts
Test your knowledge about the human body with these fascinating facts about anatomy, physiology, and biology.
Questions
The two lungs are similar in size.
- True
- False
The most common blood type in the world is Type O. The rarest, Type A-H, has been found in less than a dozen people since the type was discovered.
- True
- False
The sound of a snore (up to 69 decibels) can be almost as loud as the noise of a pneumatic drill.
- True
- False
Our brain is bigger than that of te Neanderthal man's.
- True
- False
The tips of fingers and the soles of feet are covered by a thick, tough layer of skin called the stratum corneum.
- True
- False
There are 45 miles of nerves in the skin of a human being.
- True
- False
There are 60,000 miles of blood vessels in the human body.
- True
- False
Though it makes up only 2 percent of our total body weight, the brain demands 20 percent of the body's oxygen and calories.
- True
- False
Three-hundred-million cells die in the human body every minute.
- True
- False
Men burn fat more slowly than women, by a rate of about 50 calories a day.
- True
- False
By age sixty, most people have double of their taste buds.
- True
- False
During the 2,475,576,000 seconds of the average length life, we speak 123,205,750 words, shed 121 pints of tears.
- True
- False
An average human drinks about 16, 000 gallons of water in a lifetime.
- True
- False
Toenails grow faster than fingernails.
- True
- False
A human being loses an average of 40 to 100 strands of hair a day.
- True
- False