scuba webquest

By:Andrea Sturges

True and False

A pony tank is only used for emergencies:True

A properly fitted dive mask is tight:True

A properly fitted wet suit is tight:false

Air is mostly oxygen:false its mostly made up of oxygen

Its okay to harvest coral as long as its not alive:true

scuba diving

The Bends

describes a condition arising from dissolved gases coming out of solution into bubbles inside the body on depressurisation. DCS most commonly refers to a specific type of underwater diving hazord but may be experienced in other depressurisation events such as cassion working, flying in unpressurised aircraft, and extra vehicular activity from spacecraft.

Air embolisms

Is a condition caused by a gas bubble, or bubbles, in a vascular system.Although an embolism in a medical context refers to any large moving mass or defect in the blood stream. Air embolisms can also occur in the xylem of vascular plants,especially when suffering from water stress.

Oxygen toxicity

Oxygen toxicity is a risk for scuba divers who expose themselves to high concentrations of oxygen by diving deep or by using mixed gases. This risk is easily managed by complying with safety guidelines.

5 facts about scuba diving

fact 1:Scuba stands for Self-Contained Underwater Breathing Apparatus

fact 2 :You can reach is limited by the laws of nature and recreational divers are limited to 130 feet.

fact 3:Bonaire is considered the best place in the world to see diverse marine life.

fact 4: There is usually one scuba fatality every year

fact 5:The term “scuba” started during World War II to describe navy divers.