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What Causes Hair to Turn Gray?

210,871 views

Today I Found Out

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

97%
  • 8:30 / 8:41

Speech Rate:

  • 177 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

melanocytes

/ˈmeləˌnōsīt/

noun other

mature melanin-forming cell. .

process

/ˈpräˌses/

noun verb

series of actions towards achieving something. perform mechanical or chemical operations on.

responsible

/rəˈspänsəb(ə)l/

adjective

having obligation to do something, or having control over or care for someone, as part.

appears

/əˈpir/

verb

To act in a play, movie, or be mentioned in media.

probably

/ˈpräbəblē/

adverb

That is likely to happen or be true.

production

/prəˈdəkSH(ə)n/

noun

Process of making something on a large scale.

produced
verb

To grow something naturally.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. From the beginning of something until the end. moving in one side and out of other side of.

pigment
noun verb

natural colouring matter of animal or plant tissue. colour something with or as if with pigment.

melanin

/ˈmelənən/

noun

Pigment giving color to skin, hair etc..

eumelanin
noun

Eumelanin makes mostly dark colors in hair, eyes, and skin..

determine

/dəˈtərmən/

verb

cause to occur in particular way.

appreciating

/əˈprēSHēˌāt/

verb

recognize worth of.

genetic

/jəˈnedik/

adjective

Of, relating to, or controlled by genes.

specific

/spəˈsifik/

adjective noun

clearly defined or identified. medicine or remedy effective in treating particular disease.

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