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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

Set of changes that occur slowly and naturally. To prepare by treating something in a certain way.

responsible

/rəˈspänsəb(ə)l/

adjective

Being the cause of something that has occurred.

appears

/əˈpir/

verb

To seem to be.

probably

/ˈpräbəblē/

adverb

certainly.

production

/prəˈdəkSH(ə)n/

noun

action of making or manufacturing from components or raw materials.

produced
verb

To control the making a movie or television show.

through

/THro͞o/

adjective adverb preposition

continuing or valid to final destination. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

pigment
noun verb

Substance that makes things have a certain color. 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

To control exactly how something will be or act.

appreciating

/əˈprēSHēˌāt/

verb

To be thankful for; to value or admire.

genetic

/jəˈnedik/

adjective

relating to genes or heredity.

specific

/spəˈsifik/

adjective noun

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

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