Page 41 - Zoology

cÖkœ t gvby‡li k¦vm-cÖk¦vm cÖwµqv m¤ú‡K© Av‡jvPbv Ki|
k¦vm cÖk¦vm t k¦mb A½ I cwi‡e‡ki g‡a¨ M¨vm wewbg‡qi Rb¨ cwi‡ek †_‡K evqy A‡½ cÖ‡ek K‡i| G NUbv‡K cÖk¦vm e‡j| wecixZµ‡g
k¦mb A‡½ †h Kve©b WvBA·vBW Rgv nq Zv wbtk¦vm cÖwµqvq †`‡ni evB‡i wbM©Z nq| wb‡P G‡`i eY©bv Kiv n‡jv Ñ
(K) cÖk¦vm ev k¦vmMÖnY t GwU GKwU mwµq cÖwµqv|

 cÖk¦v‡mi mgq e¶wcćii cï©Kv¸‡jvi ga¨eZx© B›UviK÷vj †ckx msKzwPZ nIqvq Zviv Dc‡ii w`‡K D‡V hvq Ges mvg‡bi
w`‡K AMÖmi nq|
 ZLb Wvqvd«vg-‡ckxI msKzwPZ nq, d‡j Wvqvd«vg mgZj n‡q hvq|
 Dc‡iv³ `yB Kg©Kv‡Ûi d‡j e¶MnŸ‡ii AvqZb †e‡o hvq (eyK cÖmvwiZ nq)| G‡Z e¶MnŸi I dzmdz‡mi Af¨šÍixY Pvc
evqygÛjxq Pv‡ci †P‡q K‡g hvq|

 G Kvi‡Y evZvm bvmvc‡_i †fZi w`‡q dzmdz‡m cÖ‡ek K‡i Ges A¨vjwfIjvB dz‡j D‡V| dzmdzm I evqygÛjxq evZv‡mi Pvc
mgvb bv nIqv ch©šÍ evZv‡mi cÖ‡ek Ae¨vnZ _v‡K|

(L) wbtk¦vm ev k¦vmZ¨vM t GwU GKwU wbw®Œq cÖwµqv|
 wbk¦v‡mi mgq cÖk¦vmKv‡j AskMÖnYKvix †ckx¸‡jv w¯’wZ¯’vcKZvi Rb¨ c~ev©e¯’vq wd‡i Av‡m| ZLb cky©Kv¸‡jv wbR¯^ IR‡bi
Rb¨ wbgœMvgx nq|
 D`ixq †ckx¸‡jvi Pv‡c Wvqvd«vg aby‡Ki g‡Zv †eu‡K e¶MnŸ‡ii AvqZb Kwg‡q †`q| dzmdzmxq †ckx c~e©ve¯’vq wd‡i hvq
Ges evqyi Pvc †e‡o hvq|

 evZvm ZLb dzmdzm †_‡K bvwmKvc‡_ †ewi‡q †M‡j dzmdz‡mi AvqZbI K‡g hvq|
M¨vm wewbgq t cÖk¦v‡mi gva¨‡g AvMZ evqy dzmdz‡m †cuŠQv‡j dzmdz‡mi A¨vjwfIjvB G O2 Gi Pvc _v‡K 107 mmHg| Ab¨w`‡K
dymdz‡mi ˆKwkK RvwjKvq †`n n‡Z AvMZ i‡³ O2 Gi Pvc _v‡K 40 mmHg | myZivs O2 Gi Pv‡ci GB cv_©‡K¨i Kvi‡Y dzmdz‡mi
A¨vjwfIjvB †_‡K O2 e¨vcb cÖwµqvq ‰KwkK RvwjKvi wSwjø †f` K‡i i‡³ cÖ‡ek K‡i|

GKBfv‡e †KvlKjvq m„ó CO2 hy³ i³ dzmdz‡m ‡cuŠQv‡j dzmdz‡mi wkivi i‡³ Gi Pvc _v‡K 100 mmHg| Ab¨w`‡K
dzmdz‡mi A¨vjwfIjvB G CO2 Gi Pvc _v‡K 40 mmHg | d‡j Pv‡ci GB cv_©‡K¨i Kvi‡Y mn‡RB e¨vcb cÖwµqvq i‡³i CO2
‰KwkK RvwjKv †_‡K A¨vjwfIjvB G cÖ‡ek K‡i Ges bvmvc‡_ †ei n‡q hvq|

k¦mb wbqš¿Y t k¦mb cÖwµqvq ¯œvqyR wbqš¿Y I ivmvqwbK wbqš¿Y hyMcrfv‡e m¤úbœ nq|
¯œvqyR wbqš¿Y t gw¯Í‡®‹i †gWzjv‡Z Aew¯’Z we‡kl ai‡bi GK¸”Q †Kvl k¦vm‡K›`ª wnmv‡e KvR K‡i| k¦vm‡K‡›`ªi g‡a¨ i‡q‡Q GKwU
cÖk¦vm †K›`ª I GKwU wbk¦vm †K›`ª| k¦vm‡K›`ª †_‡K Q›`gvwdKfv‡e bvbvgyLx ¯œvqy DÏxcbv Wvqvd«vg I cï©Kvi †cwk‡Z Qwo‡q c‡o| Gi d‡j

4 ev 5 †m‡KÛ AšÍi AšÍi mswkøó †cwkmg~‡ni mgwš^Z ms‡KvPb N‡U Ges cÖk¦vm m¤úbœ nq| Wvqvd«v‡g †d«wbK ¯œvqy I cï©Kvi †cwk‡Z
B›Uvi‡Kv÷vj bvgK †gvUi ¯œvqyi we¯Ívi _v‡K|
cÖk¦v‡mi Kvi‡Y dzmdz‡mi A¨vjwfIjv‡mi cÖvPx‡i evqyi †h Pvc c‡o Zv‡Z Pvc ms‡e`x †Kvl¸‡jv DÏxß nq| GB DÏxcbv †fMvm
¯œvqyi gva¨‡g gw¯Í‡®‹i k¦vm‡K‡›`ª †cuŠQv‡j Dnv wbD‡gvU¨vw·K †K›`ª‡K DÏxß K‡i hv cÖk¦vm †K›`ª Ae`g‡b Ask †bq| djkÖæwZ‡Z wbk¦vm
msNwUZ nq|
ivmvqwbK wbqš¿Y t i‡³ CO2 Gi NbZ¡ †e‡o †M‡j i³ msenbZ‡š¿i K¨v‡ivwUW I A¨vIwUK ewW‡R Aew¯’Z †K‡gvwi‡mÞi DÏxß
n‡q cÖk¦vm †K‡›`ª ¯œvqy DÏxcbv †cÖiY K‡i| cÖk¦vm †K›`ª ZLb ewntB›Uvi‡Kv÷vj I ‡d«wbK ¯œvqyi gva¨‡g ewntB›Uvi‡Kv÷vj ‡cwk I
Wvqvd«v‡g ¯œvqy DÏxcbv †cÖiY K‡i G‡`i ms‡KvP‡bi MwZ evwo‡q †`q| G‡Z cÖk¦v‡mi nvi †e‡o hvq| Ab¨w`‡K evZv‡m hw` O2 Gi NbZ¡

20% †_‡K 5% G ‡b‡g Av‡m Zvn‡jI k¦m‡bi nvi wظY n‡q hvq|

cÖkœ t i‡³i gva¨‡g O2 I CO2 Gi cwienb / M¨vmxq cwienb m¤ú‡K© Av‡jvPbv Ki|
i³ KZ©„K O2 cwienb t

K) †fŠZ `ªeYiæ‡c t cÖwZ 100 wgwj i‡³ 0.2 wgwj Aw·‡Rb ‡fŠZ `ªeYiæ‡c cwievwnZ nq| `ªexf~Z AskB i‡³ 100 wg.wg cvi`
Pvc m„wói Rb¨ `vqx| Z‡e As‡ki cwigvY AwZ mvgvb¨ e‡j Zv wUmy¨ †Kv‡l Aw·‡Rb mieivn Kv‡R we‡kl f~wgKv cvjb K‡ibv|

L) ivmvqwbK `ªeYiy‡c t O2 i‡³ cª‡e‡ki ci †jvwnZ KwYKvq Aew¯’Z wn‡gv‡Møvwe‡bi mv‡_ hy³ n‡q Aw·-wn‡gv‡Møvweb MVb
K‡i| GwU GKai‡bi wkw_j ivmvqwbK †hŠM, hv Aw·‡R‡bi Pvc n«vm †c‡j cybivq wehy³ nq|

Hb + O2 ↔ HbO2 ( Hb = wn‡gv‡Møvweb )|

Sanjoy Chandra mondal, botany, joypurhat govt. college. 01713747235