breath-hold diving
41Apnea — SignSymptom infobox Name = Apnea ICD10 = ICD9 = ICD9|786.03 Apnea, apnoea, or apnœa ( el. απνοια, from α , privative, πνεειν, to breathe) is a technical term for suspension of external breathing. During apnea there is no movement of the muscles… …
42literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …
43Jacques Mayol — (April 1, 1927 – December 22, 2001) was the holder of many world records in free diving.Jacques Mayol was a French national born in Shanghai, China. He was the first free diver to descend to 100 meters (330 ft) (November 23, 1976), and he managed …
44performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
45Rebreather — A fully closed circuit electronic rebreather (Ambient Pressure Diving Inspiration) Acronym CCUBA (Closed Circuit Underwater Breathing Apparatus); CCR (Closed circuit rebreather), SCR (Semi closed rebreather) Uses Breathing set …
46Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
47Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
48swimming — swimmingness, n. /swim ing/, n. 1. the act of a person or thing that swims. 2. the skill or technique of a person who swims. 3. the sport of swimming. adj. 4. pertaining to, characterized by, or capable of swimming. 5. used in or for swimming:… …
49List of Marvel Family enemies — Through his adventures, Fawcett Comics/DC Comics superhero Captain Marvel and his Marvel Family gained a host of enemies, including the following: Contents 1 Acrobat 2 Adolf Hitler 3 Amoeba Family …
50Diver communications — are the methods used by divers to communicate with each other or with surface members of the dive team. There are several distinct forms of diver communications: Voice communications Most professional diving equipment such as full face diving… …
