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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

stuffed bag. soften impact on.

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

Able to adjust to new events, requirements 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 the body where an arm attaches or joins. put something heavy over one's shoulder or shoulders to carry.

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

Quality from different elements, as in music. give something rough texture.

offered

/ˈôfər/

verb

To suggest a price you are willing to pay.

vertebrae

/ˈvərdəbrə/

noun

Any of the bones or cartilaginous segments forming the spinal column.

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