• 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 per 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.
Carry on best of luck