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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

Having the duty of dealing with something.

appears

/əˈpir/

verb

To seem to be.

probably

/ˈpräbəblē/

adverb

That is likely to happen or be true.

production

/prəˈdəkSH(ə)n/

noun

Process of producing or growing food naturally.

produced
verb

To make something appear.

through

/THro͞o/

adjective adverb preposition

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Allowing you to pass between, or to.

pigment
noun verb

Substance that makes things have a certain color. colour something with or as if with pigment.

melanin

/ˈmelənən/

noun

dark brown to black pigment occurring in hair.

eumelanin
noun

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

determine

/dəˈtərmən/

verb

cause to occur in particular way.

appreciating

/əˈprēSHēˌāt/

verb

To be thankful for; to value or admire.

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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