Absolute Pressure

Absolute Pressure – Pressure calculated by using a vacuum as the zero point and including the gauge and atmospheric pressure in the calculation.

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Adrenaline

Adrenaline – a hormone secreted by the adrenal gland into the circulatory system which stimulates the heart, blood vessels and respiratory system.

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AGE AND SCUBA DIVING

AGE AND SCUBA DIVING Scuba diving once had the reputation of being a physically demanding and dangerous activity best left to Navy Seals and Jacques

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Ascent – CESA

HOW TO PERFORM THE CONTROLLED EMERGENCY SWIMMING ASCENT (CESA) The Controlled Emergency Swimming Ascent (CESA) and Out-of-Air Emergencies Imagine that you are swimming peacefully underwater.

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