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Why do your knuckles pop? - Eleanor Nelsen

5,240,740 views

TED-Ed

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

90%
  • 3:56 / 4:22

Speech Rate:

  • 152 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

popping

/päp/

verb

make sudden explosive sound.

purpose

/ˈpərpəs/

noun verb

reason why something is done etc.. have as intention or objective.

cushion

/ˈko͝oSHən/

noun verb

Something to protect something from being hit. To protect by softening the impact of something.

grinding

/ˈɡrīndiNG/

adjective noun verb

oppressive and seemingly without end. reduction of something to small particles. To break (coffee, etc.) into tiny bits with machine.

flexible

/ˈfleksəb(ə)l/

adjective

Bending easily.

noxious

/ˈnäkSHəs/

adjective

harmful, poisonous, or very unpleasant.

stretching

/streCH/

verb

To make your arm, leg muscles long to ease them.

phagocytic
other

Capable of functioning as a phagocyte.

synovial

/səˈnōvēəl/

adjective

Concerning or secreting synovia.

shoulders

/ˈSHōldər/

noun other verb

upper joint of each of person's arms and part of body between this and neck. Parts of a shirt or coat that covers the shoulders. To accept a job or responsibility.

primary

/ˈprīˌmerē/

adjective noun verb

Most important, most basic or essential. preliminary election. run as opponent of incumbent in preliminary election.

texture

/ˈteksCHər/

noun verb

feel, appearance, or consistency of surface. give something rough texture.

offered

/ˈôfər/

verb

To suggest a price you are willing to pay.

vertebrae

/ˈvərdəbrə/

noun

each of series of small bones forming backbone, having several projections for articulation and muscle attachment, and hole through which spinal cord passes.

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