-Babies are born without kneecaps. They appear when the child is 2-6 years of age.

-The average human produces 10,000 gallons of saliva in a lifetime.

-The typical person goes to the bathroom 6 times a day.

-After eating too much, your hearing is less sharp.

-A person swallows approx. 295 times while eating dinner.

-There are more people alive today than have ever died.

-The hardest bone in the human body is the jawbone.

-The strongest muscle in the human body is the tongue.

-We are about 1 cm taller in the morning than in the evening. Layers of cartilage in the joints gets compressed during the day.

-Thinking about your muscles can make you stronger.

-The force of 1 billion people jumping at the same time is equal to 500 tons of TNT.

-You breathe about 10 million times a year.

-The foot is the most common body part bitten by insects.

-If you ate too many carrots you would turn orange.

-Women blink twice as many times as men do.

-There are approx. 550 hairs in the eyebrow.

-Most dust particles in your house are made from dead skin.

-The life span of a taste bud is 10 days.

-Intelligent people have more zinc and copper in their hair.

-The human body is better suited to two four-hour sleep cycles than one eight-hour one.

-During an average lifetime, a man will spend 3,350 hours removing 8.4 meters of stubble.

-A human being loses an average of 40 to 100 strands of hair a day.

-A sneeze can exceed the speed of 100 mph.

-According to German researchers, the risk of heart attack is higher on Monday than any other day of the week.

-Every person has a unique tongue print.

-An average human drinks about 16,000 gallons of water in a lifetime.

-Babies are born with 300 bones, but by adulthood we have only 206 in our bodies.

-Every human spent about half an hour as a single cell

-Every square inch of the human body has an average of 32 million bacteria on it.

-Humans shed about 600,000 particles of skin every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin.

-A humans left lung is smaller than their right lung to make room for the heart.

-Your ears and nose continue to grow throughout your entire life.

-The hardest part of the human body is the enamel that covers the teeth.

-Approximately 85% of the human brain is made up of water.

-Most people blink around 25 times a minute.

-The average person touches thier face 19 times per hour.

-More than half the bones in the human body are in the hands and feet.

-Research has shown that guilt damages your immune system by lowering your immunoglobulin levels.

-We are about 70 percent water.

-Babies entire bodies are usually covered in a thin layer of dark hair by the end of the fifth month of pregnancy, which disappear when the baby is born.

-Humans are one of the only mammals who are unable to 'turn' their ears in order to hear approaching predators.

-About 8–15% of people are left-handed.