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tips: Use diagrams to understand physics laws Practice identifying equipment parts Relate physics principles to real diving scenarios Physiology and Health Core topics: Effects of pressure on the human body Risks of decompression sickness Recognizing signs of hy

ompression sickness. The recommended ascent rate is generally no faster than 9-18 meters per minute. Q2: What is the purpose of the buddy system? The buddy system ensures that divers can assist each other in case of emergencies, share air if nee