Your nose is a very important. It allows you to breathe and smell a variety of objects. It even helps you taste food. Your nose does many incredible things. Here are some interesting facts about your nose:
Incredible Fact #1: The nasal septum is made up mostly of cartilage. Cartilage is stiffer than muscle, but more flexible than bone.
Incredible Fact #2: The human nose can smell many different odors. However, it is far less sensitive than other animals, such as dogs.
Incredible Fact #3: The brain sends smell signals from the nose to the brain. From there, the signals travel through the olfactory nerve. This nerve send signals directly into your brain. This is why certain smells can bring back memories.
Incredible Fact #4: Your nose can detect not only good smells, but dangerous smells as well.
Incredible Fact #5 : The shape of your nose is formed by age 10. It continues to grow slowly, until about age 15 to 17, in women. In men, it grows until about age 17 to 19. Eventually, the nose lengthens and droops, due to gravity. It is also due to the breakdown of collagen and elastin in your skin.
Incredible Fact #6: No two people smell possessions the same way. Each person has different scent blind spots.
Incredible Fact #7: Your nose isn’t just for smelling. Air travels through your nose to your lungs. Tiny hairs, in your nose, trap dust and pollen. This helps to protect the lungs.
Incredible Fact #8: Inside your nose is a smelling device (olfactory epithelium). It contains more than 10 million scent receptors. These receptors can distinguish up to 10,000 different smells.
Incredible Fact #9: Your nose makes mucus, to prevent debris from entering your airway. About a quart of mucus, is swallowed a day. Some stays in your nose. When you breathe dry air into your nose, that mucus is dried and becomes a booger.
Incredible Fact #10: Each year, more than 400 deaths occur in the United States. This is because the nose is unable to smell natural gas and carbon monoxide.
Incredible Fact #11: In an adult, 18,000 to 20,000 liters of air pass through the nose each day.
Incredible Fact #12: You can still smell, if your nose is cut off. However, the nose loses its filtering ability, which makes it difficult to breathe.
Incredible Fact #13: After age 65, a human loses some of their ability to smell. By the time you reach your eighties, your sense of smell can decrease, by as much as 50%.
Incredible Fact #14: Babies instinctively know their mothers by their scents.
Incredible Fact #15: Your smelling function is carried out by two small odor-detecting patches. They are made up of about five or six million yellowish cells, high up in the nasal passages.
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