The video is a humorous and informative exploration of the human body, covering a wide range of topics. It starts by introducing the concept of the human body as a complex and unexplored universe. The speaker then mentions a newly discovered organ, the interstitium, which is the tissue between organs and muscles.
The video discusses various interesting facts about the human body, such as how the enamel on teeth can be erased if brushed too actively, but the neurons recover and can regenerate up to five millimeters per day. It also explains that the walls of the skull change the sound of your own voice, and that you blink more than 15,000 times a day. The video also highlights that nails grow faster on the dominant hand and even in the summer.
The speaker mentions that all the bones in your body are completely renewed in 10 years. It also discusses the fact that some people have 40 percent fewer facial muscles every year. The average person loses about two kilograms or 700 grams of skin. The video also covers the fact that taste buds cannot be seen with the naked eye, and that the skin on the fingertips wrinkles under water to provide better grip.
The video also covers the fact that the only part of the body that does not receive blood is the cornea of the eye, which receives oxygen directly from the air. It mentions that children have 100 more bones than adults, with some growing together. The speaker also mentions that some people have 40 percent fewer facial muscles every year.
The video ends with a quiz about the newly discovered organ, the interstitium. The speaker encourages viewers to write down the word and participate in the quiz.
Here are some key facts extracted from the text:
1. Scientists in South Korea have managed to sustain a nuclear fusion reaction running at temperatures in excess of 100 million°C for 30 seconds for the first time and have finally been able to achieve a net energy gain when carrying out a nuclear fusion experiment.
2. The core of the Sun has a temperature of 15 million degrees kelvins.
3. The interstitium is a tissue between other organs and muscles that was discovered only in 2019.
4. The enamel on your teeth is slightly bluish and the dentin layer below the enamel is yellow.
5. The tongue in the mouth does not have a relaxed position, it is always tense but never gets tired.
6. The skin on the fingertips wrinkles under water to provide better grip.
7. Women see more color variations than men; on average, they distinguish between three and four times more shades.
8. You can live with one paired organ, such as one eye, a hand, a leg or even a kidney and lung.
9. You can distinguish up to a trillion different smells, but there are people who cannot, this disease is called anasmia.
10. The blood in your body covers the distance around the earth in just two days.