A person can expect to breathe in about 45 pounds of dust over his/her lifetime.
We give birth to over 200 billion red cells every day.
Our blood is on a 60,000-mile journey per day.
Our heart beats around 100,00 times every day or about 30 million times in a year.
Nerve Impulses travel at over 400 km/hr(249 mi/hr)
The average red blood cell lives for 120 days.
There are 2.5 trillion(give or take) of red blood cells in your body at any moment. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow.That's like a new population of the city of Toronto every second
