Intrinsic tswj yog dab tsi?
Intrinsic tswj yog dab tsi?

Video: Intrinsic tswj yog dab tsi?

Video: Intrinsic tswj yog dab tsi?
Video: Hmong new song 2016 - Yog dab tsi - Xub Hluav Taws (Official MV) 2024, Lub rau hli ntuj
Anonim

Ib sab hauv kev tswj hwm yog muaj nyob hauv lub cev; lub cev muaj peev xwm tswj hwm homeostasis hauv nws tus kheej. Piv txwv, lub plawv ua tau tswj nws tus kheej lub plawv dhia. Extrinsic tswj Cov kab mob (lub paj hlwb thiab endocrine systems) muaj nyob sab nraud ntawm lub cev lawv tswj ; cov kab ke no tuaj yeem hla dhau sab hauv tshuab.

Dhau li ntawm no, dab tsi yog qhov kev tswj hwm ntawm lub siab?

Kev Tswj Sab Hauv ntawm Cardiac Cycle Kev tswj hwm sab hauv yog vim cov cell tshwj xeeb uas pib thiab faib. hluav taws xob impulses nyob rau hauv ib qho kev txiav txim los ntawm tawm lub plawv.

Secondly, dab tsi yog extrinsic tswj? Extrinsic tswj ntawm cov hlab plawv system muaj xws li neuronal, humoral, reflex, thiab tshuaj regulatory mechanisms. Cov no tswj kev tswj hwm tswj lub plawv dhia, myocardial contractility, thiab cov leeg leeg leeg kom tswj tau lub plawv, tso ntshav ntws tawm, thiab ntshav siab.

Qhov tseeb, txoj cai tswj hwm yog dab tsi?

* Autoregulation, los yog kev cai intrinsic - tshwm sim thaum lub. Cov kev ua ub no ntawm tes, cov ntaub so ntswg, lub cev, lossis cov kab mob hauv nruab nrog cev tau kho tau los teb rau qee qhov kev hloov pauv ib puag ncig. Piv txwv li, thaum cov pa oxygen poob qis hauv cov ntaub so ntswg, Cov cell tso cov tshuaj uas nthuav tawm cov hlab ntshav hauv ib cheeb tsam.

Dab tsi yog qhov kev tswj hwm sab hauv thiab sab nraud ntawm lub siab?

Kev tswj ntawm lub plawv dhia yog qhov nyuaj thiab tshwm sim tsawg kawg ntawm ob theem loj, intrinsic thiab extrinsic . Qhov tseeb kev cai ntawm lub plawv tus nqi (HR) suav nrog myogenic sublevel thiab sublevels ntawm cell-to-cell kev sib txuas lus, lub plawv paj hlwb, thiab humoral yam uas tsim nyob rau hauv lub plawv.

Pom zoo: