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 (s) [sek´und]
the base SI unit of time, equal to ¹⁄₆₀ of a minute, and defined in terms of the periodicity of specific radiation of cesium 133.


verb To temporarily transfer a person to the employ of another, as typically used in the UK, to gain work experience.


the SI unit of time. Symbol s. Abbreviated sec.

Patient discussion about second

Q. second wind My cousin is an experienced aerobic for nearly 2 years. She does vigorous exercises. How a ''second wind'' affects her and what is it?

A. The term ‘second wind is mostly known to the people who are related to the fitness. No matter how fit you are, the first few minutes into vigorous exercise you'll feel out of breath, and your muscles may ache. Your body isn't able to transport oxygen to the active muscles quickly enough. As a result, your muscles burn carbohydrates an aerobically, causing an increase in lactic acid production. Gradually, your body makes the transition to aerobic metabolism and begins to burn nutrients (carbohydrates and fats) aerobically. This shift over to aerobic metabolism coincides with your getting ''back in stride'' (a.k.a. the ''second wind''). The more you train and the more fit you become, the sooner you will get your ''breath'' back and reach an aerobic steady state that you can maintain for a relatively extended duration.

Q. What is the second phase of alcohol rehab? I guess the first one is well known... admitting you are addicted, but then what?

A. anybody??? advises about the second phase of rehab??

Q. what to expect from second month of pregnancy? My wife is pregnant for the first time and I'm knowledgeless...what should I expect from her second month? pain? moods? anything else I should know??

A. Thanks zoe2008, you've helped a lot! The craving thing is indeed happening, I've never bought so many sweet potato in my life!!!

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