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Nose Lesson for Kids: Facts & Parts

Nose Lesson for Kids: Facts & Parts
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  • 0:03 What's That Smell?
  • 0:39 Parts of the Nose
  • 1:44 Achoo!
  • 2:53 Bite, Sniff, Bite
  • 3:21 Lesson Summary
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Lesson Transcript
Instructor: Lindsy Frazer

Dr. Frazer has taught several college level Science courses and has a master's degree in Human Biology and a PhD in Library and Information Science.

We use our noses every day to sense the world around us, but did you know that your nose helps you do much more than smell? Learn about how the different parts of your nose help you smell, taste, and more in this lesson.

What's That Smell?

Every day you encounter many smells, some good, like baking bread, and some not so good, like dirty sneakers. We are able to smell all of these aromas and odors because of our nose. In fact, the human nose can detect and recognize thousands of different smells. But allowing you to smell is not the only thing your nose does; it is also a passageway for air, and it protects your lungs so you can breathe. It even helps you taste your food.

Parts of the Nose

Nostrils & Septum

Your nose has two openings called nostrils that act as the main entryways for air into the body. Each nostril leads into a passageway in your nose. Between these is the septum, a thin wall that separates the passageways. At the top of your nose, near your eyes, the septum is made of hard bone. But down near the tip of your nose, it is made of a flexible material called cartilage. You can feel how flexible this cartilage is by touching the tip of your nose with your finger and moving it back and forth. See how your nose wiggles?

Olfactory Receptors

Way inside, in the uppermost part of your nose, are special cells called olfactory receptors. These are cells that sense odor molecules in the air and send signals to your brain that allow you to recognize smells. Since these olfactory cells are the reason we can smell, we call the ability to smell olfaction.

Achoo!

The inside of your nose is covered in a thin, moist layer of tissue called the mucous membrane. An important job of the mucous membrane is to make mucus, sometimes called snot or boogers!

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