5 minutes
A human cannot change into a fish
how long will it stay in my body
not verylong because the water will start to enter the snorkel. LOL
It is important to have water on Mars as it is required for human life. Without it, humans would only be able to stay there as long as the water they brought from Earth lasted.
how long can garter snakes stay under water?
how long do humans float in space for
BoZo
Humans can't breathe underwater, unless assisted by either a snorkel or some other sort of air supply. With such a supply, there's really no limit to how long a human can stay, and breathe under water.
They can stay under water for 10 seconds.
Contrast dye is used to enhance the quality of an x-ray. Contrast dye does not stay in the human body for very long, but it can stay for up to several hours.
For life.