1 00:00:00,000 --> 00:00:03,000 Speaking of nose, do you know how it works? 2 00:00:04,000 --> 00:00:06,000 If not, don't worry my friends. 3 00:00:07,000 --> 00:00:15,000 Let's be nosy and find out some interesting facts about an impressive part of our body we call the nose. 4 00:00:16,000 --> 00:00:17,000 Zoom in! 5 00:00:19,000 --> 00:00:28,000 Well friends, as we all know that your nose lets you smell, breathe and is the main gate for the respiratory system. 6 00:00:28,000 --> 00:00:34,899 And it all starts with the nostrils, which is the entrance point of your nose. 7 00:00:35,399 --> 00:00:40,060 Separated by a wiggly wall in the middle called the septum. 8 00:00:40,600 --> 00:00:45,799 Made of a very thin piece of skin and bone known as the cartilage. 9 00:00:47,200 --> 00:00:55,000 Right behind your nose is a space called the nasal cavity that connects with the back of the throat. 10 00:00:55,000 --> 00:01:06,000 The snot works with your hair to trap unwanted small particles like dust and germs that could be harmful to your lungs. 11 00:01:06,000 --> 00:01:12,000 When this captured dirt dries up along with mucus, you get boogers. 12 00:01:13,000 --> 00:01:21,000 So, we need to appreciate these boogers as they are formed in the process of protecting your lungs. 13 00:01:21,000 --> 00:01:27,000 But sometimes your nose traps something you wanted to get rid of. 14 00:01:27,000 --> 00:01:30,000 And you know what happens next? 15 00:01:30,000 --> 00:01:32,000 You sneeze! 16 00:01:33,000 --> 00:01:40,000 Well, the reason you can smell different things around you is because of the olfactory epithelium. 17 00:01:40,000 --> 00:01:47,000 The olfactory epithelium contains special receptors that notice the smell.. 18 00:01:47,000 --> 00:01:53,379 and sends the signals along the olfactory nerve to the olfactory bulb. 19 00:01:53,859 --> 00:01:58,400 And finally, those signals go to the other parts of the brain 20 00:01:58,400 --> 00:02:02,900 to be interpreted as a smell you may recognize. 21 00:02:03,200 --> 00:02:08,939 Like food, fruits, flowers or smelly socks. 22 00:02:09,599 --> 00:02:11,560 Truly amazing, isn't it?