15 Unknown facts about human body!!

 1) Depending on your beats per minute, your heart beats about 100,000 times a day. That means it sends 2,000 gallons of blood through the body.

2)The highest blood flow isn’t in your heart, liver, or brain — it’s in your kidneys. That’s because kidneys are the body’s natural filtration system.

3) Healthy lungs look pink and rubbery on the outside. The more you smoke though, the more tarry and black they become. This can have a serious effect on quality of life, and can even cause bubbles (called blebs) rupturing in your lungs (a condition called spontaneous pneumothorax)

4) 12% of people dream in black and white. What’s weirder is that human beings used to sleep and dream in black and white even more before color tv (~15%). The average person still dreams in color, but it’s interesting to see how the human brain is susceptible to media.

5) Though people have small blood vessels, the networking is amazingly long. If they were laid out they would measure more than 60,000 miles.

6) In time, your brain will have a harder time with long-term memory because the brain is unable to filter and remove old memories — which prevent it from absorbing new ideas. That means the brain has to work harder to produce memories over the average lifetime.

7) Your skin is vital in protection of the body against bacteria (the skin itself has 1000 different species of bacteria on it at any given time), which is why the outer layer of your skin continually renews itself. The entire process of skin cell renewal takes about 28 days.

8) An average person breathes in around 11,000 litres of air every day

9) Adult lungs have a surface area of around 70 square metres.

10) The brain of an adult human weighs around 3 pounds (1.5 kg). Although it makes up just 2 per cent of the body’s weight, it uses around 20 per cent of its energy.

11) When listening to music, your heartbeat will sync with the rhythm.

12) A large amount of the dust in your home is actually dead skin. Humans shed about 600,000 particles of skin every hour.

13) The human body contains enough fat to make seven bars of soap.
14) While awake, your brain produces enough electricity to power a lightbulb.
15) An adult skin weighs around 3 to 4 kgs

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