8 tonnes per square inch increases with depth. Any air filled crevice of the human body would collapse in the blink of an eye under this pressure. Lungs filled with air would collapse and the bones would crush.
(2) There's no air. You can't breath at the bottom of the ocean. If you can't breath, your body won't stay alive for more than about 30 minutes.
Putrefaction and scavenging creatures will dismember the corpse in a week or two and the bones will sink to the seabed. There they may be slowly buried by marine silt or broken down further over months or years, depending on the acidity of the water.
Most organisms with gas-filled spaces (like humans) would be crushed by the pressures that other deep-sea life experience. At deep-sea depths, the pressure is unimaginable, yet many creatures have no problem living there.
“The intense pressures in the deep ocean make it an extremely difficult environment to explore.” Although you don't notice it, the pressure of the air pushing down on your body at sea level is about 15 pounds per square inch.
It might be shocking to find out, but only 5% of the ocean has been explored and charted by humans. The rest, especially its depths, are still unknown.
The maximum depth a human can dive without oxygen is around 60 feet (18 meters). Beyond this depth, the body requires a supply of oxygen to function properly. Without oxygen, the body will quickly become oxygen-deprived, leading to a loss of consciousness and potentially fatal consequences.
The iconic wreckage has been directly viewed by only a small number of people since it sank in 1912, but its remains are among the most viewed of the ocean's secrets. Museums, movies and TV shows are great, but can you view it in person? You cannot scuba dive to the Titanic due to its depth at 12,500 feet.
Last year an expedition to the Mariana Trench made history by conducting the deepest crewed dive ever completed as it descended 10,927 metres into the Challenger Deep.
First of all, there are millions of human bodies in the ocean at any given time. They are swimming, in boats, surfing, doing research, vacationing in cruise ships, serving in the navy, and all sorts of things. Hundreds of thousands if not millions of dead bodies.
Temperature Depending on the body of water, the cooler temperatures of the water allow for a slower body decomposition. In tropical waters such as the Arabian sea, it's a different story. Generally, though, bones can take years to completely degrade, depending on the conditions present during decomposition.
Sea spiders, colossal squids, tube worms, and cookie-cutter sharks are some of the creatures that live at the bottom of the ocean. Animals that live at this depth have had to evolve to withstand intense pressure (600 times more than what is at sea level).
Therefore, the deep ocean (below about 200 meters depth) is cold, with an average temperature of only 4°C (39°F). Cold water is also more dense, and as a result heavier, than warm water. Colder water sinks below the warm water at the surface, which contributes to the coldness of the deep ocean.
This took more than 350 million years. There are humans (Bajau Laut- sea nomads) who can hold their breath for longer durations (up to some minutes) underwater. However, it is biologically impossible to evolve (or devolve) to live underwater in a short period.
Oceans cover around 70 percent of the Earth's surface so it shouldn't be surprising that when it comes to exploration, we've only just scratched the surface. So far, human eyes have only seen around 5 percent of the ocean floor.
Sunlight does not penetrate the eternal darkness below 1,000 meters (3,280 feet), an area known as the aphotic zone, which includes the midnight zone (or bathypelagic zone) between 1,000 and 4,000 meters (3,280 and 13,123 feet), the abyss (or abyssopelagic zone) between 4,000 and 6,000 meters (13,123 and 19,685 feet), ...
Humans have drilled over 12 kilometers (7.67 miles) in the Sakhalin-I. In terms of depth below the surface, the Kola Superdeep Borehole SG-3 retains the world record at 12,262 metres (40,230 ft) in 1989 and still is the deepest artificial point on Earth.
Are there skeletons on the Titanic? No intact human bodies or skeletons remain in the Titanic wreckage. The wreck was first located and explored in 1985 and no bodies were visible then, or on any of the other times that it has been visited.
Now it turns out that the Titanic will stay where it is, at least for now, as it is too fragile to be raised from the ocean floor. The acidic salt water, hostile environment and an iron-eating bacterium are consuming the hull of the ship.
Louden-Brown added that, because the Titanic was registered in the UK and owned by a US company, it does not have an official owner.
You can feel an increase of pressure on your eardrums. This is due to an increase in hydrostatic pressure, the force per unit area exerted by a liquid on an object. The deeper you go under the sea, the greater the pressure of the water pushing down on you.
The deepest depth a submarine has gone is 10,925 meters (35,843 feet) by the Deepsea Challenger in 2012. This was a manned submersible, not a military submarine. The pressure at this depth is over 1,000 times that at the surface, which is why only a few submersibles have been able to go this deep.
You are buoyant at the surface and for the first few metres of the dive. As you start to descend, the pressure of the water pushes you back towards the surface, until around 13m to 20m deep when the dynamic is reversed. Here, according to Amati: Your body begins to sink a little bit like a stone.