Imajin se yu kam bak na os afta yu dɔn rɔn fɔ lɔng tɛm ɛn ple. Yu bɔdi taya bad bad wan, yu de swet bɔku, ɛn yu de blo tranga wan. Bɔt afta sɔm tɛm, ɔl dis kin kam bak to nɔmal, nɔto so? Ɔ, pan de we kol bad bad wan, yu bɔdi kin shek. Wetin mek dis kin apin? Bihayn ɔl dis na wan wɔndaful ‘ɔtomɛtik sistɛm’ na wi bɔdi. If wi nɔ no, dis sistɛm de wok fɔ mek ɔltin we de insay wi bɔdi de di rayt lɛvul. Tide wi de tɔk bɔt dis wɔndaful prɔses, we na homyostasis.
Fɔ tɔk am simpul wan, wetin na homyostasis?
Homeostasis na wan tin we rili simpul. na di prכsεs we di bכdi de mek di insay envayroment (tεmprachכ, כksijεn lεvεl, shuga lεvεl, εn כda tin dεm) stebul εn bεlε כltεm. Jɔs lɛk aw di redyuta na motoka in injin de wok fɔ mek di injin in tɛmpracha kɔntinyu fɔ de di sem lɛvul.
Dis wɔd na tu Grik wɔd dɛn. Min "ikwal" ɛn "fɔ kip stil." Dat min se fɔ mek ɔltin balans, to di rayt mak. Dis balans nɔ min fɔ nɔ fɔdɔm we wi de waka, bɔt fɔ kip ɔltin insay di bɔdi "in balans."
I rili impɔtant fɔ kip dis ‘stɔ’. Bikɔs, ivin di tin dɛn we impɔtant pas ɔl fɔ wi, if dɛn kam tumɔs, i kin denja. Tink bɔt wata. Wi nɔ go ebul fɔ du tin if wi nɔ gɛt wata. Bɔt if yu drink bɔku wata wan tɛm, i kin mek yu gɛt wan bad bad sik we dɛn kɔl hayponatremia (we sodium nɔ bɔku na di blɔd) . Na di sem tin kin apin to ɔksijɛn. Wi nɔ go ebul fɔ liv if wi nɔ gɛt ɔksijɛn. Bɔt if yu blo klin ɔksijɛn fɔ lɔng tɛm, yu kin gɛt ɔksijɛn pɔyzin . Dɛn tu tin ya kin kil pɔsin. So, naw yu dɔn ɔndastand aw i impɔtant fɔ mek ɔltin balans, nɔto so?
So, aw dis prכsεs de apin insay di bכdi?
dis homyostasis prכsεs de apin komplit כtomatכk, dat na כtomatכk. Wi nɔ ivin nid fɔ tink bɔt am. Wan smɔl pat na wi bren we dɛn kɔl di haypothalamus na di men say we de kɔntrol ɔl dis. Lɛk di CEO fɔ wan big kɔmni.
Tu we dεn de mεntal wan we dis prכsεs de apin.
1. Negativ Fidbak
2. Pozitiv Fidbak
Lɛ wi tɔk klia wan bɔt dɛn tu tin ya naw. Fɔ mek i izi fɔ ɔndastand di difrɛns bitwin dɛn tu, luk di tebul we de dɔŋ ya.
| We | Aw i kin apin | Simpul ɛgzampul dɛn |
|---|---|---|
| Negativ Fidbak | we sכmtin na di bכdi (e.g. tεmprachכ) chenj frכm nכmal, i de wok na di כpכsite dairekshכn fכ bכn am bak to nכmal. | Fɔ kol bay we yu de swet we yu bɔdi wam, fɔ wam yusɛf bay we yu de shek shek we i kol. |
| Pozitiv Fidbak | Wae wan prכsεs bigin, i de kכntinyu f כ amplify εn gro , כnli i de stכp we dεn pul di fכs kכz. | di uterus we de kכntrakt we i de bכn, bכdi de kכlכt if i wund. |
1. Negativ Fidbak Prɔses
"Negative" ya nɔ min "bad." I min se we di bɔdi no se sɔntin dɔn chenj, i kin tray fɔ rivɛns ɔ kɔba da chenj de we i nɔ want. bכku homכstatik prכsεs dεm na wi bכdi de apin dis we.
- Di tɛmpracha na yu bɔdi: Imajin se yu rili wam. We yu bren no dis, i de sho se yu fɔ swet. As di swet de kɔmɔt, yu bɔdi de kol. Dɔn bak, if yu kol, yu mɔsul dɛn kin bigin fɔ shek. Dis shek shek de mek yu bɔdi wam ɛn wam yu bɔdi. Dis na wi bɔdi in natura ‘hita’ ɛn ‘AC’.
- Blɔd Prɛshɔn: We yu tinap wantɛm wantɛm frɔm chia, sɔm pan di blɔd we de go na yu ed, graviti de pul am dɔŋ. Na di sem tɛm, wi sistɛm kin kik insay, i kin mek di blɔd vesel dɛn kɔnstrikt, i kin mek di at rit kwik smɔl, ɛn i kin mek di blɔd flɔ fayn fayn wan na di bren. Na dat mek wi nɔ kin fil diziz ɔltɛm.
- Fluid balans na di bɔdi: If yu drink bɔku wata, yu go nid fɔ pis afta sɔm tɛm. dis na fכ pul di ekstra wata we de na di bכdi εn kip כltin ‘klin’.
- Ɔksijɛn lɛvɛl: We yu de du ɛksɛsayz, yu mɔsul dɛn nid mɔ ɔksijɛn. Da tɛm de, yu brith rit ɛn at rit kin go ɔp ɔtomɛtik wan. Dis ekstra ɔksijɛn de sɛn ɔlsay na yu bɔdi kwik kwik wan. We yu dɔn fɔ du ɛksɛsayz, dɛn tu tin ya kin kam bak to nɔmal.
2. Pozitiv Fidbak Prɔses
Pozitiv fidbak na di prɔses fɔ mek wan prɔses we dɔn ɔlrɛdi bigin strɔng ɛn aksɛleret. Dis kin kɔntinyu te dɛn pul di kɔz we mek di prɔses.
- Leba εn dilivεri: we di pikin bigin fכ bכn, di sεviks de bigin fכ dilayt. dis dilayshכn de sεnd signal to di bren. Fɔ ansa dis, di bren kin pul wan ɔmon we dɛn kɔl ɔksitɔsin . dis ɔmon de mek di uterus kɔntrakt tayt tayt wan. as di uterus de kכntrakt tayt, di sεviks de dilayt mכr, we in tכn de mek mכr כksijεn kכmכt. dis saykl de kכntinyu te dεn bכn di pikin εn di sεviks de kam bak to in nכmal posishכn.
- Ɛmostasis: We yu kɔt yu an ɔ yu leg ɛn blɔd de kɔmɔt, di tin dɛn we de mek yu blɔd klɔt kin kam togɛda fɔ ɛp fɔ lɔk di wund. Nɔto dat nɔmɔ, bɔt dɛn kin tek mɔ klot factors bak na di sayt, lɛk se dɛn de aks fɔ mɔ ɛp. dis "kכl fכ εp" de kכntinyu te di bכdi stכp kכmplit wan.
- Imyun rεspכns εn inflameshn: We wi bכdi de pan infεkshכn כ injuri, wi imyun sistεm de mek wi inflameshn. Dis inflamɛns tan lɛk we yu de shayn spɔtlayt na di say we di wund de. I de tɛl di imyun sɛl dɛn di rayt say fɔ go. di sεl dεm de kip di inflameshn go te dεn nid mכr εp.
Wetin mek dis balans impɔtant to wi?
Fɔ tɔk am simpul wan, wi nɔ go ebul fɔ liv if wi nɔ gɛt homyostasis. εvri sik, εvri mεdikal kכndyushכn we wi no, na disrupshכn fכ dis homכstasis prכsεs sכmsay.
We yu sik ɔr wund, yu bɔdi kin chenj dɛn homyostatik prɔses ya fɔ ɛp yu fɔ wɛl. Fɔ ɛgzampul, fiva kin apin we yu gɛt infekshɔn, blɔd kin klɔt we yu gɛt injury, ɛn di bɔdi kin tray fɔ mek dis balans kam bak.
Bɔt sɔntɛnde, dis sistɛm nɔ kin ebul fɔ sɔlv di prɔblɛm. Na da tɛm de, krɛse sik kin kam.
- Ay blɔd prɛshɔn (Hypertension): Dis sik kin apin we di bɔdi nɔ ebul fɔ kip di blɔd prɛshɔn na di wɛlbɔdi lɛvɛl.
- Ɔstioporosis: Dis sik kin apin we di bɔdi nɔ ebul fɔ bil nyu bon tisu di sem rit we dɛn pul di kalsiɔm pan am.
Sɔm sik kin kam bikɔs dis homyostasis prɔses insɛf nɔ kin wok fayn, we kin mek di tin wɔs.
Alɛji riakshɔn: Alɛji na abnɔmal rispɔns we wi imyun sistɛm de du to sɔntin we nɔ rili bi trɛt (e.g. pɔlin, dɔst, wan patikyula it). Wan wasp sting go mek pɔsin fil smɔl pen ɛn swel. Bɔt fɔ pɔsin we nɔ gɛt alɛji fɔ wasp pɔyzin, dɛn kɔl dis sem imyun rispɔns anafilaksis.I kin mek pɔsin gɛt wan sik we go mek i day.
Autoimyun sik dεm: Dis na we wi imyun sistεm de mistek atak wi כwn bכdi in hεlty tisu dεm.
Sepsis: We di imyun sistεm in rεspכns to infεkshכn tu strכng fכ kכntrכl, i kin bigin fכ pwεl di bכdi insεf. Dis kin bi wan sik wae de mek pɔrsin fil bad wae kin kil pɔrsin kwik kwik wan.
Aw di difrɛn tin dɛn we de na wi bɔdi kin ɛp fɔ mek dis apin?
Homeostasis nכ de limited to wan sistεm. Na wan tim we di wan ol bɔdi de tray fɔ du.
Nɛvɔs Sistɛm
Wi nervɔs sistɛm tan lɛk di aksilarayt ɛn brek na motoka. Dɛn tu sistɛm ya de wok agens dɛnsɛf, ɛn dɛn de mek ɔltin balans.
- di simpatik nεv sεstem: Dis na wi ‘aksεlεrayt’. insay di tεm we denja de, dis sistεm de trigεr di "fεt-כ-flay" rispכns.
- Parasympathetic nervous system: Dis na wi ‘brɛk’. Dis sistɛm de rilaks ɛn mek di bɔdi kol we wi sef ɛn fil fayn.
Skel Sistem we de na di skel
Dɛn de chenj wi skel ɔltɛm. Dɛn kin brok di ol bon tisu dɛn ɛn mek nyu wan dɛn. Kalsiɔm ɛn vaytamɛn D impɔtant fɔ mek dis prɔses apin fayn fayn wan. Dis prɔses de slo as wi de ol. if nyu bon nכ fכm di sem rεt we di bon brok, kכndyushכn lεk כ stiopenia כ כ stioporosis kin apin.
Sistem we de mek pɔsin ebul fɔ blo
di brith we wi de blo de kכntro bak sεvεra homכstasis prכsεs dεm.
- Di ɔksijɛn lɛvɛl: We wi de rɔn, wi de blo tranga wan fɔ mek di bɔdi gɛt mɔ ɔksijɛn.
- di pH na di bכdi: di rεspiretכri sistεm de yuz kabכn dayכksayd fכ rεgεl di asid-bεys bεlε na wi bכdi. if dis bכlεns dεn dכn pwεl, kכndishכn dεm lεk respiratory acidosis כ respiratory alkalosis kin apin.
Ɛndokrin Sistɛm
Dis sistεm na di say we wi bכdi de mek כmon dεm. Ɔmon dɛn tan lɛk kemikal mɛsenja dɛn. Dɛn ɔmon dɛn ya kin ɛp fɔ kɔntrol bɔku tin dɛn, lɛk di we aw di bɔdi de it, di we aw di bɔdi de wok, ɛn aw di bɔdi we de bɔn pikin de wok.
Jɔs lɛk na di stori, wi bɔdi de wok fayn we ɔltin "jɔs rayt." We wi ɔndastand aw dis homyostasis prɔses de wok, wi kin ɛp wi bɔdi fɔ kip da balans de. Sɔntɛm na jɔs fɔ drink bɔku wata, ɔ fɔ go waka, ɔ fɔ tek di rayt mɛrɛsin fɔ wan patikyula kɔndishɔn. If wi kɔntinyu fɔ balans dis kayn we, dat kin mek big chenj na di kwaliti fɔ wi layf.
Mɛsej we dɛn kin kɛr go na os
- Homeostasis na di otomatik prɔses we de mek ɔltin stebul ɛn balans insay wi bɔdi.
- Dis prɔses na di bren de kɔntrol am, we wi nɔ no.
- Tin dɛm lɛk fɔ swet, fɔ shek shek we yu kol, ɛn fɔ blo mɔ ɛn mɔ we yu de du ɛksɛsayz na ɛgzampul dɛm fɔ we dis wɔndaful sistɛm kin kam insay.
- Bɔku sik dɛn lɛk ay blɔd prɛshɔn, dayabitis, ɛn alɛji, kin apin bikɔs dis balans kin ambɔg.
- Fɔ liv fayn layf (gud it, ɛksesaiz, drink inof wata) kin ɛp yu bɔdi fɔ kip dis impɔtant balans.
- If sɔntin na yu bɔdi kɔntinyu fɔ fil ‘nɔ rayt’, i rili impɔtant fɔ tɔk to yu dɔktɔ bɔt am.











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