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Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?

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Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?
Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?

Video: Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?

Video: Lub sijhawm sarcomere contraction twg ntawm cov hauv qab no tshwm sim?
Video: Lub Sijhawm 2024, Tej zaum
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Thaum kev cog lus, Ib pawg ntawm cov sarcomer luv. Actin thiab myosin ua kom luv thaum cov leeg mob.

Yuav ua li cas tshwm sim hauv sarcomere thaum cov leeg nqaij contraction?

Thaum (a) sarcomere (b) cog lus, Z kab txav los ze zog ua ke thiab kuv pawg me me. Lub A band nyob twj ywm tib qhov dav thiab, ntawm tag nrho cov contraction, cov nyias nyias sib tshooj. Thaum lub sarcomer luv luv, qee thaj tsam luv thaum lwm tus nyob tib qhov ntev.

Yuav ua li cas hauv qab no tshwm sim thaum kev cog lus sarcomere?

Thaum (a) sarcomere (b) cog lus, Z kab txav los ze zog ua ke thiab kuv pawg me me. Lub A band nyob twj ywm tib qhov dav thiab, ntawm tag nrho cov contraction, cov nyias nyias sib tshooj. Thaum lub sarcomer luv luv, qee thaj tsam luv thaum lwm tus nyob tib qhov ntev.

Yuav ua li cas rau txhua tus sarcomere thaum lub sij hawm kev cog lus quizlet?

Dab tsi tshwm sim hauv sarcomere thaum lub sijhawm cov leeg nqaij? - sarcomere shortens bc ntawm nce sib tshooj ntawm THIN & THICK filaments, tab sis ntev ntawm filaments tsis hloov !!!

Yuav ua li cas yog cov kauj ruam ntawm sarcomere contraction?

  • Depolarisation thiab Calcium Ion tso tawm. Ib qho kev ua muaj peev xwm los ntawm lub cev muaj zog neuron ua rau kev tso tawm ntawm acetylcholine rau hauv lub tshuab kawg phaj. …
  • Actin thiab Myosin Cross-Bridge Tsim. …
  • Sliding Mechanism ntawm Actin thiab Myosin. …
  • Sarcomere Shortening.

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