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Changing the heart rate - chronotropic effect | NCLEX-RN | Khan Academy

64,521 views

khanacademymedicine

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

98%
  • 11:50 / 12:02

Speech Rate:

  • 168 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

because

/bēˈkəz/

conjunction

for reason that.

channels

/ˈCHanl/

noun other verb

sea area. Narrow passages through which water travels. To direct energy or feelings into something.

positive

/ˈpäzədiv/

adjective noun

Having the charge produced by electrons. positive quality.

potential

/pəˈten(t)SHəl/

adjective noun

having capacity to develop. latent qualities that may be developed.

negative

/ˈneɡədiv/

adjective exclamation noun verb

characterized by absence of distinguishing features. no. Image on camera film used to make a photo. refuse to accept.

leaking

/ˈlēkiNG/

adjective verb

(of container or covering) accidentally losing or admitting contents through hole or crack. (Of a tire) to have air, liquid escaping; (Of air).

present

/ˈprez(ə)nt/

adjective noun verb

in particular place. period of time now occurring. To introduce someone to others.

represents

/ˌreprəˈzent/

verb

To act on behalf of others in government.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

Used to add new (often different) information.

drawing

/ˈdroiNG/

noun other verb

Image made of pencil lines, or on a screen. To get closer to or approach something or someone. (Of 2 teams) to finish a game with the same score.

pacemaker

/ˈpāsˌmākər/

noun

Specialized heart tissue controlling the heartbeat.

calcium

/ˈkalsēəm/

noun

A substance important for making bones and teeth.

already

/ˌôlˈredē/

adverb

Having happened or been done before this time.

threshold

/ˈTHreSHˌ(h)ōld/

noun

strip of wood or stone forming bottom of doorway.

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