श्वसन  हिन्दी देवनागरी में पढ़ें।

(angrezi:Respiratory) shvasan lekh men manav sharir se snbndhit ullekh hai. samast jivadhariyon ko apani jaivik kriyaon ke snchalan hetu oorja ki avashyakata hoti hai. yah oorja sajivon ke sharir ki sabhi jivit koshikaon men aauksijan dvara bhojy padarthon ke aauksikaran se utpann hoti hai aur ATP men snchit ho jati hai. is kriya men CO2 gais bhi utpann hoti hai jo sharir se bahar nikal di jati hai. at: aauksijan ka sharir men pravesh karana, karban dai-aauksaid(CO2) ka sharir se bahar nikalana tatha ve sabhi rasayanik abhikriyaen jinake phalasvaroop oorja utpann hoti hai, shvasan kahalata hai.

shvasan kriya men bhojy padarthon ka apaghatan hota hai tatha sharir ka bhar ghatata hai, isalie yah ek apachay kriya hai. shvasan kriya men ek anu glookoz ke aauksijan se utpann oorja tatha CO2 ko nimnalikhit samikaran se spasht kiya ja sakata hai-

C6H12O6 + 6O2 - 6CO2 + 6H2O + 686 kilo kailori

shvasan ke prakar

bhojy padarthon (mukhyatah glookoj) ke apaghatan ke adhar par shvasan nimnalikhit do prakar ka hota hai-

avayaviy ya anaauksi shvasan

kuchh nimnakoti ke jivon, parajivi jivon, yist tatha kuchh jntu ootakon men oorja ki prapti hetu glookoz ka laiktik aml ya ethil alkohal men apaghatan hota hai. isamen aauksijan ka upayog nahin hota hai, isalie ise anaauksi shvasan kahate hain. rasayanik star par ise sharkara ka kinvan kahate hain. is kriya men glookoz ke ek anu se 21-28 kilo kailori oorja prapt hoti hai. utpadit padarthon men CO2 to bahar nikal jati hai tatha ethil alkohal koshikaon men rah jata hai.

vayaviy ya aauksi shvasan

yah uchchakoti ke jivon men hota hai. isamen vatavaran se aauksijan grahan ki jati hai, jo koshikaon men oorja utpadan ke lie glookoj ka aauksikaran karati hai. isake phalasvaroop CO2 tatha jal utpann hote hain. isamen O2 ka vyay hota hai jise jiv apane vatavaran se leta hai aur badale men CO2 vatavaran se mukt kar deta hai. ise gaisiy vinimay kahate hain. choonki isamen aauksijan ka upayog hota hai, isalie ise aauksi shvasan kahate hain. yah kriya do charanon men poori hoti hai, jinhen kramash: glaikosis tatha kraib chakr kahate hain.

manushy ka shvasan tntr

manushy ke mukhy shvasanang phephade hain aur shesh sahayak ang hain. is prakar manushy ke shvasanangon men nasika, nasamarg, grasani, svar yntr, vayunal, shvasanali tatha phephade sammilit hote hain.

nasika evn nasamarg

nasika chehare par mukh dvar evn mathe tatha donon netron ke bich ubhari huee snrachana hoti hai tatha bahari or do andakar bahm nasarandhr dvara khulati hai. ye nasarandhr nasa veshmon men ghulate hain. nas veshm shleshm dvara nam tatha romayukt hoti hai. nasa veshm men vayu shuddh, nam tatha sharir ke tap ke anukool ho jati hai. nasaguha pichhe ek tede-mede ghumavadar marg men khulati hai. jise nasamarg kahate hain. yah ubhari huee asthiyon ke karan teda-meda hota hai tatha shleshmak kala dvara achchhadit rahata hai jo chikana shleshm shravit hota hai. nasamarg bhitar jakar grasani men khulata hai.

svarayntr

grasani men nigaladvar se pahale ek chhidr hota hai. ise glaautis kahate hain. is par upasthi nirmit ghaauti dhapan paya jata hai. svarayntr ek chhote baauks-numa hota hai. ise tentua ya adam ka eppal kahate hain. purushon men yah bahar se ubhara hua dikhaee deta hai. isaka nirman upasthiyon se hota hai. yah andar ki or se shleshmak jhilli dvara dhnka rahata hai. isamen svar doriyan hoti hai jisase dhvani utpann ki jati hai. at: svarayntr dhvani utpadak yntr hota hai.

shvas nal ya shvas nali

shvas nali kanth se judi patali bhikti ki arddhaparadarshak lambi nalika hoti hai. yah grasanali ke adhar tal se chipaki, griva men hoti huee vaksh guha men pahunchakar dahini tatha baee do chhoti shakhaon men vibhajit ho jati hai. in shakhaon ko shvasaniyan kahate hain. ye apani apani or ke phephade men pravesh kar jati hain. shvasanali tatha shvasaniyon ki bhitti men anek 'c' ke akar ke apoorn v lachile upasthiy valay hote hain. jo shvas nali tatha shvasaniyon ko pichakane se rokate hain, aur sadaiv khule rahate hain taki inamen vayu svatntratapoorvak avagaman kar sake. pratyek shvasan chhoti nalikaon men nirntar vibhajit hoti huee thailivat sookshm rachana men samapt ho jati hai, jinhen koopika ya vayu koshth kahate hain.

phephade ya phuphphus

manushy men do bade shnkvakar phephade pramukh shvasanang hote hain. ye sharir ke vaksh bhag men hnaday tatha madhyavakash ke idhar udhar vaksh ke dahine v baen bhagon ko poori tarah ghere hue apani - apani or ki plooral guhaon men dayaphram ke oopar sthit hote hain. ye komal, spnji, atynt lachile aur halke gulabi rng ke hote hain. dahine phephade men tin pind tatha baen phephade men do pind hote hain. dahina phephada baen phephade se kuchh bada aur chauda kintu lambaee men kuchh chhota hota hai. donon phephadon ka nichala chauda avatal bhag dayaphram ke ubhare hue bhag par chipaka rahata hai. pratyek phephada charon or se ek patali aur dohari jhilli ke avaran se ghira rahata hai, jise plooral kala kahate hain.


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snbndhit lekh

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