Human brain weight

The human brain weighs approximately three pounds and is soft like tofu.

Breaths of air

If you take on average a breath of air every three seconds, and you live until 95 years old, you took 998,640,000 breaths in your life; almost one billion.

Neanderthal brains

Neanderthals had larger brains than humans did.

Human body temperature

The average internal human body temperature is 98.6 degrees Fahrenheit or 37 degrees Celsius.

Sneezing with open eyes

It is not possible to sneeze with your eyes open.

100 trillion cells

The human body has near 100 trillion cells (100,000,000,000,000).

Live for 34,675 days

Living until 95 years old may seem long, but it is only 34,675 days of life.

Live to 3 billion seconds

If you can live until 95 years old, you will have lived for almost three billion seconds.

Lifetime heartbeats

If your heart beats on average of 70 beats a minute, your heart beats 3,311,280,000 times if you live until 90 years old. This is over 3 billion beats.

Eye blinking

If you blink your eyes on average once every 10 seconds, you blink 8,640 times a day.

If you live until 90 years old, you blinked your eyes 283,824,000 times during your life.