During an average lifetime our heart will beat more than 2.5 billion times and pumps about 1 million barrels of blood - that's enough to fill more than 3 super tankers.

Your body has about 5.6 liters of blood. In one day, the blood travels around 20,000 km - that's seven times the aerial distance of Kashmir to Kanyakumari.

If all arteries, veins, and capillaries of the human circulatory system were laid end to end, the total length would be 60,000 miles, or 100,000 km. That's nearly two and a half times around the Earth!

Our lungs inhale over two million liters of air every day, without even thinking. Their surface area is large enough to cover one side of a tennis court.

Brain weighs about 2% of body weight, Utilized 20% of body's total Oxygen and Energy.