The document discusses Challenger Deep, the deepest known point in the world's oceans located in the Mariana Trench near Guam. It notes key details about Challenger Deep including its depth of 10,923 meters and temperature of 39 degrees Fahrenheit. The document also outlines some of the extreme pressures humans can withstand, equipment needed like scuba gear and submarines, and physiological effects on the body like difficulty breathing and ear pain in such high pressure, low oxygen environments.

1. Challenger Deep hedgehoghead

2. Location Marina Islands Marina Trench Guam

3. Info 10,923 meters (35,838 feet) or 6.7875 miles 39 º Fahrenheit

4. Human Limits 16,000 pounds of pressure per square inch. Hydrostatic pressure

5. How long humans can cope 1960 by the Trieste scuba diving 1083 feet born1945 jamesk7

6. Clothes & Equipment Scuba Gear Wet suite Submarine Oxygen canister Scrubbers Distillation apparatus

7. Organ Systems Circulatory system Respiratory system Nervous system Arne Kuilman

8. Effects on the body Difficulty breathing Ear pain Loose of blood flow

9. THE END Tim Engstrom