@Nilasha 20 September 2020

Facts of Human Organs 🧬👩🏻‍⚕️

**• Taste buds** are not visible to the naked eye; the little bumps that can be seen on the tongue are actually papillae, on top of which rest the taste buds 👀🕵🏻‍♀️  **• The taste cells** in our taste buds live for only about two weeks.  • The brain contains **86 billion nerve cells** joined by 100 trillion connections. This is more than the number of stars in the Milky Way. 🧠  • The **largest cell** in the human body is an egg (or **ovum**) and is barely visible to the naked eye. 👀  • Like fingerprints, each human **tongue** has its own **unique print**. 👅  • Every hour, humans shed about 600,000 particles of skin, or about .7 kg every year. By the time a person is 70 years old, they will have lost about **50 kg of skin.**   • The average human produces **6000 liter of saliva in a lifetime**, enough to fill two swimming pools. 💦  • Your **spit** contains your entire **genetic blueprint**. 🧬  • The lining in a person's stomach is replaced **every 4 to 5 days** to prevent it from digesting itself.   • An adult humans small intestine is about 18 to 23 feet long, which is about **four times** as long as an adult is tall.  • Semen normally contains **1-8 billion sperm p**er fluid ounces (140-300 million sperm per millimeter).  • A person’s feet has about **500,000** sweat glands and can produce about a pint of sweat a day. 🦶🏻🦵🏻  • A human sneeze can travel about **100** mph or more.

**• Fingernails** grow faster on the hand a person writes with. They also grow faster than toenails, and faster on longer fingers!!  • An adult is made up of **7,000,000,000,000,000,000,000,000,000 (7 octillion) atoms**  • The strongest muscle in the human body is the **masseter**, or the jaw muscle.💪🏻  • The **liver** the largest internal organ and is the only organ that can **regenerate** itself. However, repeated damage to the liver can eventually injure and scar this amazing organ.  • The human brain uses just as much power as a **10-watt light bulb**.🧠  • The word “organ” comes from an old Greek word, organon, which means “**tool**” or “**instrument**..  • An adult’s skin weighs between 3.6 to 5 kg. It’s surface area is about 18-22 square feet (1.7 to 2 sq. m), which is the size of the floor in a one-person **tent**.  • The longest bone in an adult human is the **thighbone**, 🦵🏻measuring about 18 inches (46 cm). The shortest bone is in the ear and is just 0.1 inches.