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Why Do People Have Periods When Most Mammals Don't?

622,547 views

SciShow

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 11:52 / 11:57

Speech Rate:

  • 174 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

reproductive

/ˌrēprəˈdəktiv/

adjective

Relating to having children, young, or new plants.

throughout

/THro͞oˈout/

adverb preposition

in every part of something. Over/across an entire place/thing; in every part.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To make a formal speech about something.

periods

/ˈpirēəd/

noun other

length or portion of time. Menstrual cycles.

scientists

/ˈsīəntəst/

noun other

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

bleeding

/ˈblēdiNG/

adjective verb

used for emphasis, or to express annoyance. To take money from someone a little at a time.

species

/ˈspēsēz/

noun other

group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. Subsections of a genus (of plants, animals).

because

/bēˈkəz/

conjunction

For a reason.

vaginas

/vəˈjīnə/

noun other

muscular tube leading from external genitals to cervix of uterus. .

happens

/ˈhapən/

verb

To take place or occur.

squeamish

/ˈskwēmiSH/

adjective

Easily shocked or upset, e.g. by seeing blood.

understanding

/ˌəndərˈstandiNG/

adjective noun verb

sympathetically aware of other people's feelings. Knowledge about something or someone. To know the meaning of language, what someone says.

euphemisms

/ˈyo͞ofəˌmizəm/

noun other

mild or indirect word or expression substituted for one considered to be too harsh or blunt when referring to something. Expression that avoids saying something offensive.

getting

/ɡet/

verb

To currently have.

menstruation

/ˌmenstro͞oˈāSH(ə)n/

noun

Monthly discharge of blood from the uterus.

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