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What would happen if humans lived under water?

What would happen if humans lived under water?

Living underwater could also change human beings. Human bodies would be bigger to limit heat loss. They would likely grow webbed fingers and toes. Eventually, people would have fused legs and larger eyes.

Can humans evolve to live underwater?

New Study Finds Group of People Are Genetically Adapted for Life Underwater. The Bajau Laut have been sea nomads for centuries. Their findings were published in the scientific journal Cell in an article entitled Physiological and Genetic Adaptations to Diving in Sea Nomads.

Did humans live underwater?

Through this experiment, the world learned that humans could, in fact, live underwater for short periods of time, but not without difficulty. Helium and pressurized air affected their everyday life. Voices become deformed, water would not boil and food becomes tasteless.

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Is fire underwater possible?

Fire requires a combustible substance and oxidizer to ignite. For underwater burning in Baltimore, since there’s no oxygen available underwater, the torch has two hoses that produce the combustible substance and oxygen gas. With careful application, a sustained fire can be created even underwater.

What if humans had gills?

Originally Answered: Could humans have evolved with gills if we had spent most of our time in water? No. We, being warm blooded, need far more oxygen than fish of the same size. If we had gills that could support our oxygen needs, they would dangle from our necks to the ground.

What would humans need to survive underwater?

Oxygen will have to be supplied from the surface, and underwater citizens will also need access to fresh water, food and power.

Can there be fire in space?

Fires can’t start in space itself because there is no oxygen – or indeed anything else – in a vacuum. Yet inside the confines of spacecraft, and freed from gravity, flames behave in strange and beautiful ways. They burn at cooler temperatures, in unfamiliar shapes and are powered by unusual chemistry.

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Is it possible to live underwater as a human?

In the end, because research about long, relatively shallow underwater living is limited, there are a lot of theories as to the effects of living underwater on human beings, but much of it is controversial, anecdotal, and unproven by even those who study it and have experienced it.

What would happen to a human under high water pressure?

Most people would think that humans would get squashed to a pulp under such high water pressure, but that is not the case. We are mostly composed of water ourselves, so the body would basically remain at the same pressure. It is the gases in our lungs, however, that would cause us trouble.

Why doesn’t the human eye work in salt water?

The human eye doesn’t like salt water, and it doesn’t do well with high pressures. It would need to be remodeled to both have a protective lens over it (possibly mobile) to protect it from the salt water, and would need to be reinforced to survive pressure changes.

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Do we really not know about the creatures of the ocean?

It has also been claimed that we don’t even know about most of the creatures that thrive in the depths of the ocean. Yes, they do exist – a whole range of creatures that we have never seen or studied.