A human being can survive an average of three to five days without the intake of water.

A human being could not survive long in such environment without a suit.

Such was necessary in order to free the room from fumes that no human being could survive.

"No human being could survive in that kind of temperature."

What difference does it make to you whether human beings survive?

He wasn't even sure if a human being could survive using twenty per cent of his capabilities.

Assume that human beings and free societies will indeed survive.

They were probably going to be closer to an active star than any other human beings had ever been and survived to tell the tale.

She was trying to remember how long a human being could survive without food and water.

Was it possible that a single human being could have survived the convulsion?