Well i only know that the nervous system operates the bodys essential functions such as breathing and digestion
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FAD. abbreviation. flavin adenine dinucleotide. MLA Style. "Fad."
A fad, trend, or craze is any form of collective behaviour that develops within a culture, a generation or social group in which a group of people enthusiastically follow an impulse for a finite period. Fads are objects or behaviours that achieve short-lived popularity but fade away.
an intense and widely shared enthusiasm for something, especially one that is short-lived; a craze.
Examples of fads include the Hula-hoop®, Pet Rock®, Pokémon®, the yo-yo and Beanie Babies®.
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Introduction. The present perfect progressive tense, also present perfect continuous, expresses an action that begins in the past and lasts until a present or almost present moment.
When to use the present perfect progressive. The present perfect progressive is similar to the present perfect, but we use it to express a continuing or unfinished action, or emphasise ...
Conjugation of English Present Perfect Progressive Tense. To conjugate the present perfect progressive we follow the rule: have/has + been + verb in the -ing form.
Contractions. Contractions are a combination of certain pronouns, verbs and the word not. They are mostly used in spoken and informal written English.
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