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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

Dealing with official forms in the way required. To organize and use data in a computer.

responsible

/rəˈspänsəb(ə)l/

adjective

Being the cause of something that has occurred.

appears

/əˈpir/

verb

To be seen, become visible; come into sight.

probably

/ˈpräbəblē/

adverb

certainly.

production

/prəˈdəkSH(ə)n/

noun

Process of making a movie or TV show.

produced
verb

To manufacture something using machines.

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

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

relating to genes or heredity.

specific

/spəˈsifik/

adjective noun

Concerning one particular thing or kind of thing. medicine or remedy effective in treating particular disease.

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