![Dab tsi ua rau lub zog mob hlab ntsha tawg hauv cov leeg? Dab tsi ua rau lub zog mob hlab ntsha tawg hauv cov leeg?](https://i.answers-medical.com/preview/medical-health/14035705-what-causes-power-stroke-in-muscle-contraction-j.webp)
Video: Dab tsi ua rau lub zog mob hlab ntsha tawg hauv cov leeg?
![Video: Dab tsi ua rau lub zog mob hlab ntsha tawg hauv cov leeg? Video: Dab tsi ua rau lub zog mob hlab ntsha tawg hauv cov leeg?](https://i.ytimg.com/vi/HnZKKWzXsDI/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov qaug zog tshwm sim thaum ADP thiab phosphate sib cais los ntawm lub taub hau myosin. Cov qaug zog tshwm sim thaum ADP thiab phosphate dissociate los ntawm actin active site.
Tib neeg tseem nug, dab tsi yog myosin fais fab tuag?
Cov qaug zog tshwm sim ntawm kev tso tawm ntawm phosphate los ntawm lub myosin molecule tom qab ATP hydrolysis thaum myosin yog nruj nreem khi rau actin. Cov txiaj ntsig ntawm qhov kev tso tawm no yog kev hloov pauv hauv cov qauv uas rub tawm tsam tus actin. Kev tso tawm ntawm ADP cov qauv coj mus rau lub npe hu ua lub xeev nruj myosin.
Ib yam li ntawd, ua li cas cov leeg nqaij contraction tshwm sim? A Cov leeg nqaij Yog Ua Rau Thaum Kev Ua Haujlwm Muaj Peev Xwm Mus Los Ntawm Lub Hauv Paus mus rau Cov leeg . Nqaij leeg pib thaum lub paj hlwb tsim lub teeb liab. Lub teeb liab, lub impulse hu ua lub peev xwm ua tau, mus los ntawm ib hom paj hlwb hu ua lub cev muaj zog neuron.
Ib yam li ib tus tuaj yeem nug, lub zog fais fab yog dab tsi?
Kev txhais ntawm qaug zog .: cov mob stroke nyob rau hauv lub voj voog ntawm lub cav sab hauv-combustion thaum lub sij hawm lub piston yog propelled los ntawm lub siab ntawm lub expanding chav los yog gases.
Puas yog ATP xav tau rau lub zog stroke?
Thaum kawg ntawm qaug zog , myosin nyob rau hauv qis- zog txoj hauj lwm. Tom qab lub qaug zog , ADP raug tso tawm, tab sis tus ntoo khaub lig-choj tsim tau tseem nyob hauv qhov chaw. ATP Tom qab ntawd khi rau myosin, txav cov myosin mus rau nws qhov siab, zog xeev, tso tawm lub taub hau myosin los ntawm qhov chaw ua haujlwm nquag.
Pom zoo:
Cov hlab ntsha qis hauv cov hlab ntsha ntws mus rau qhov twg?
![Cov hlab ntsha qis hauv cov hlab ntsha ntws mus rau qhov twg? Cov hlab ntsha qis hauv cov hlab ntsha ntws mus rau qhov twg?](https://i.answers-medical.com/preview/medical-health/13856266-where-does-the-inferior-thyroid-vein-drain-into-j.webp)
Brachiocephalic leeg
Dab tsi yog qhov txawv ntawm qhov mob hlab ntsha tawg thiab mob hlab ntsha tawg stasis?
![Dab tsi yog qhov txawv ntawm qhov mob hlab ntsha tawg thiab mob hlab ntsha tawg stasis? Dab tsi yog qhov txawv ntawm qhov mob hlab ntsha tawg thiab mob hlab ntsha tawg stasis?](https://i.answers-medical.com/preview/medical-health/13986492-what-is-the-difference-between-arterial-ulcer-and-venous-stasis-ulcer-j.webp)
Arterial ulcers tsim los ntawm kev puas tsuaj rau cov hlab ntsha vim tsis muaj cov ntshav ntws mus rau cov ntaub so ntswg. Venous ulcers tsim los ntawm kev puas tsuaj rau cov hlab ntsha uas tshwm sim los ntawm cov ntshav tsis txaus rov qab mus rau lub plawv. Tsis zoo li lwm qhov txhab, cov ceg mob no tuaj yeem siv sijhawm ntau lub hlis los kho, yog tias lawv zoo txhua lub sijhawm
Cov hlab ntsha hlab ntsha thiab cov hlab ntshav muaj dab tsi?
![Cov hlab ntsha hlab ntsha thiab cov hlab ntshav muaj dab tsi? Cov hlab ntsha hlab ntsha thiab cov hlab ntshav muaj dab tsi?](https://i.answers-medical.com/preview/medical-health/13989263-what-do-arteries-veins-and-capillaries-have-in-common-j.webp)
Cov hlab ntsha nqa ntshav tawm ntawm lub plawv; Lub ntsiab hlab ntsha yog aorta. Capillaries nqa ntshav tawm ntawm lub cev thiab pauv cov as-ham, pov tseg, thiab oxygen nrog cov ntaub so ntswg ntawm qib cellular. Cov leeg ntshav yog cov hlab ntshav uas coj cov ntshav rov qab los rau hauv lub plawv thiab tso ntshav tawm ntawm cov kabmob thiab cov ceg
Puas yog Neuroglia tsim cov hlab ntsha hauv cov hlab ntsha hauv nruab nrab cov hlab ntsha?
![Puas yog Neuroglia tsim cov hlab ntsha hauv cov hlab ntsha hauv nruab nrab cov hlab ntsha? Puas yog Neuroglia tsim cov hlab ntsha hauv cov hlab ntsha hauv nruab nrab cov hlab ntsha?](https://i.answers-medical.com/preview/medical-health/14006555-which-neuroglia-form-the-blood-brain-barrier-in-the-central-nervous-system-j.webp)
Muaj plaub hom neuroglia pom nyob hauv nruab nrab lub paj hlwb: Astrocytes - tswj cov ntshav lub hlwb teeb meem thiab khaws cov tshuaj ib puag ncig los ntawm kev siv cov ions rov qab thiab cov tshuaj xa xov mus rau lub cev. Oligodendrocytes - myelinate axons nyob rau hauv lub hauv nruab nrab lub paj hlwb thiab muab tag nrho cov txheej txheem txheej txheem
Cov hlab ntsha hauv lub ntsws txawv li cas ntawm cov hlab ntsha hauv nruab nrog cev?
![Cov hlab ntsha hauv lub ntsws txawv li cas ntawm cov hlab ntsha hauv nruab nrog cev? Cov hlab ntsha hauv lub ntsws txawv li cas ntawm cov hlab ntsha hauv nruab nrog cev?](https://i.answers-medical.com/preview/medical-health/14132896-how-do-pulmonary-arteries-differ-from-systemic-arteries-j.webp)
Cov hlab ntsha. Cov hlab ntsha hauv lub ntsws nqa cov ntshav oxygen tsawg los ntawm txoj hlab ntshav ntawm lub plawv mus rau lub ntsws. Cov hlab ntsha hauv lub cev thauj cov ntshav oxygenated los ntawm sab laug ventricle ntawm lub plawv mus rau tag nrho lub cev. Cov leeg