Hello everyone

Welcome all to my another blog today's topic is facts about human body everyone must know this so kindly spend few minutes here.

• While awake, your brain produces enough electricity to power a lightbulb.
• The left side of your brain controls the right side of your body and right side of your brain controls the left side of your body.
• Grouping human blood types can be a difficult process and there are currently around 30 recognised blood types (or blood groups). You might be familiar with the more simplified “ABO” system which categorises blood types under O, A, B and AB. 
• Nephrons, the kidney’s filtering units, clean the blood in the human body in about 45 minutes and send about six cups of urine (2000 ml) to the bladder every day. 
•  You can’t breathe and swallow at the same time. 
• The average person produces enough saliva in their lifetime to fill two swimming pools.
• Skin is the human body’s largest organ. 
• If you spread out your skin, it would measure around 20 square feet in size, about the same size as a child’s bed sheet. 
• As people get older, their skin gets thinner, drier, and less elastic, hence wrinkles start appearing. 
• An adult skin weighs around 3 to 4 kgs.
• Your nose and ears continue growing throughout your entire life. 
• An healthy adult human heart beats about 75 times on average in a minute.
• Your heart beats around 100,000 times a day, 365,00,000 times a year and over a billion times if you live beyond 30.
• Your sense of smell is around 10,000 times more sensitive than your sense of taste.
• Around 80 per cent of what we think is taste is actually smell. Flavour, is a combination of taste and smell perception. 
• The smallest bone found in the human body is located in the middle ear. The staples (or stirrup) bone is only 2.8 millimetres long. 
• The femur (thigh bone) is the longest bone in the human body. 
• A running nose is the way our body flushes out germs from our nose while we catch cold and flu. 
• On average, human body contains enough iron to make a nail 2.5 cm (1 inch) long.
• Diaphragm, which is a thin membrane under the lungs, sometimes twitches, causing a sudden intake of air, which is interrupted by throat closing. This is what we call hiccups. 
• Goose bumps evolved to make our ancestors’ hair stand up, making them appear more threatening to predators. 
• Blushing is caused by a rush of adrenaline.
• The cornea is the only part of the body with no blood supply – it gets its oxygen directly from the air.

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