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can we breathe underwater ?

Here are some links that might be useful to you:

https://www.livescience.com/32196-why-cant-human-beings-breathe-underwater.html

https://www.livescience.com/32196-why-cant-human-beings-breathe-underwater.html
Why Can’t Human Beings Breathe Underwater? | Live Science
published 23 October 2012. Human lungs are not designed to extract oxygen from water to be able to breath underwater. When you breathe in air, the air travels from your nose, down your trachea …

https://science.howstuffworks.com/question386.htm

https://science.howstuffworks.com/question386.htm
Why can’t humans breathe underwater? | HowStuffWorks
7 mars 2024Humans cannot breathe underwater because the oxygen in water (H 2 O) is bound to hydrogen and not available in a form our lungs can absorb.; Fish breathe dissolved oxygen gas (O 2) in water using gills, which can extract the oxygen because they have a large surface area (fish also have lower oxygen needs because they’re cold-blooded).; While humans have experimented with breathing liquids like …

https://www.usatoday.com / story / news / factcheck / 2023 / 04 / 21 / fact-check-no-humans-cannot-pressurize-their-mouths-breathe-water / 11695896002

https://www.usatoday.com / story / news / factcheck / 2023 / 04 / 21 / fact-check-no-humans-cannot-pressurize-their-mouths-breathe-water / 11695896002
Fact check: No, humans cannot pressurize their mouths to breathe water
21 avr. 2023The claim: People can breathe underwater by ‘separating the hydrogen and oxygen’ in your mouth. An April 7 Facebook video (direct link, archive link) shows a person purportedly breathing underwater.

https://www.wonderopolis.org/wonder/how-long-can-you-hold-your-breath-underwater

https://www.wonderopolis.org/wonder/how-long-can-you-hold-your-breath-underwater
How Long Can You Hold Your Breath Underwater? | Wonderopolis
Since human beings can’t breathe under water like fish can, you’re going to need to hold your breath if you plan to spend much time below the surface. … our bodies instinctively conserve oxygen when we go underwater. This reaction — called the diving reflex — helps to conserve the oxygen in our bodies and enables us to hold our breath …

https://www.grunge.com/1003990/the-real-reason-you-cant-breathe-underwater

https://www.grunge.com/1003990/the-real-reason-you-cant-breathe-underwater
The Real Reason You Can’t Breathe Underwater – Grunge
12 sept. 2022How Stuff Works tackled the tricky topic of why we can’t breathe underwater, despite water being composed of oxygen and hydrogen. Essentially, the oxygen in water isn’t the right kind. Per the outlet, the reason we cannot breathe liquid water is because the oxygen used to make the water is bound to two hydrogen atoms, and we cannot the resulting liquid.

https://www.britannica.com/science/human-respiratory-system/Swimming-and-diving

https://www.britannica.com/science/human-respiratory-system/Swimming-and-diving
Human respiratory system – Swimming, Diving, Lungs | Britannica
Human respiratory system – Swimming, Diving, Lungs: Fluid is not a natural medium for sustaining human life after the fetal stage; human respiration requires ventilation with air. Nevertheless, all vertebrates, including humans, exhibit a set of responses that may be called a diving reflex, which involves cardiovascular and metabolic adaptations to conserve oxygen during diving into water.

https://www.bibalex.org/SCIplanet/en/Article/Details.aspx?id=12365

https://www.bibalex.org/SCIplanet/en/Article/Details.aspx?id=12365
SCIplanet – Why Cannot We Breathe Underwater?
Moreover, the lungs will not benefit from oxygen in its atomic state. Extraction of the dissolved oxygen out of the water is not easy, because water density exceeds that of air, and air has 20 times more oxygen than water. The main reason for fish ability to breathe underwater is the fact that fish are cold-blooded, which means they need small …

https://www.ucl.ac.uk/culture-online/case-studies/2022/sep/why-cant-you-breathe-underwater

https://www.ucl.ac.uk/culture-online/case-studies/2022/sep/why-cant-you-breathe-underwater
Why can’t you breathe underwater? | Culture Online – UCL
13 sept. 2022Human beings breathe through their nose and mouth. The nose and mouth are connected at the back of your throat. When we breathe in all the air gets passed down the windpipe, called the trachea. From here it travels all the way down your lungs and into smaller and smaller airways until it reaches little sacs called alveoli.

https://www.livescience.com/64260-breathing-underwater-aquaman.html

https://www.livescience.com/64260-breathing-underwater-aquaman.html
How Do Animals Breathe Underwater? | Live Science
Today, humans can only breathe in water using special equipment — or in movies like Aquaman (Warner Bros. Pictures), about comic book characters with unique underwater abilities.

https://www.nationalgeographic.com/history/article/the-man-who-taught-humans-to-breathe-like-fish

https://www.nationalgeographic.com/history/article/the-man-who-taught-humans-to-breathe-like-fish
The man who taught humans to breathe like fish – National Geographic
Cousteau made his motto, Il faut aller voir —We must go and see for ourselves.. With his 1943 co-invention of the Aqua-Lung, the first safe self-contained underwater breathing apparatus …
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