There are few mammals on Earth (at least large ones) that cannot swim. The ability to swim is a natural gift, because when thrown into the water, animals instinctively wave their limbs and swim. Even huge elephants can swim, but for some reason no one has seen giraffes swimming. Maybe that's why it is believed that giraffes can't swim.
The undershirt and pants widening downward are a typical image of a sailor. This cut of clothes is called "cloche" (from the French "cloche", bell). And, although, flared pants have become ubiquitous attribute of youth fashion of the 60's and 70's, they were invented by the Navy for a reason. Wide-bottomed pants look original on land, but at sea they are also very practical.
Let's make it clear right away that we won't need balloons with just air, but with helium. Helium balloon vendors claim to be asked this question quite often. In fact, to calculate the number of balloons that can lift a person is not difficult. To do this, you need to know the lifting power of helium and the exact weight of the person or object to be lifted.
Many inhabitants of our planet do not want to put up with the finitude of life or insurmountable diseases. Therefore, the most optimistic of them either turn to commercial organizations with money, or bequeath their bodies to science at universities and participate in various experimental programs on cryonics, or "freezing.
