extreme environment (deep ocean)

Mariana Trench/Mariana Trench/Challenger DeepChallenger Deep

By: Austin WirtasBy: Austin Wirtas

Mariana TrenchMariana Trench

• It is the deepest part of the Ocean, and It is the deepest part of the Ocean, and the deepest part of the Earth itself.the deepest part of the Earth itself.

• 11,033 meters deep (36,201 feet)11,033 meters deep (36,201 feet)

Human EnduranceHuman Endurance

• 14.7 psi14.7 psi

• Every 33 feet one more atmosphere Every 33 feet one more atmosphere pushes down on a person (14.7 psi)pushes down on a person (14.7 psi)

• 33 feet = 1 atmosphere33 feet = 1 atmosphere

• For example 66 ft. = 44.1 psiFor example 66 ft. = 44.1 psi

• People can stand up to 3-4 People can stand up to 3-4 atmospheresatmospheres

• 98.6 °F (Normal Body Temp.)98.6 °F (Normal Body Temp.)

Body Systems AffectedBody Systems Affected

• Respiratory (Drowning)Respiratory (Drowning)

• Excretory (Dehydration)Excretory (Dehydration)

• Integumentary (Sun-burn)Integumentary (Sun-burn)

Adaptations of Human BodyAdaptations of Human Body

• The buoyancy of the human body to The buoyancy of the human body to keep head afloat and not drown. keep head afloat and not drown.

• Shivering to maintain body temperature Shivering to maintain body temperature (motion of moving muscles for heat)(motion of moving muscles for heat)

Special EquipmentSpecial Equipment

• Scuba mask, Scuba booties, Swim fins, Scuba mask, Scuba booties, Swim fins, Scuba weights/Scuba belts, Snorkels, Scuba weights/Scuba belts, Snorkels, Gauges and Scuba regulators. Gauges and Scuba regulators.

• Along with the wet suit.Along with the wet suit.