हृदय  हिन्दी देवनागरी में पढ़ें।

manav hriday

hriday (angrezi: Heart) adhikansh jiv jntuon ke sharir ka avashyak ang hain. is lekh men manav hriday se snbndhit ullekh hai. hriday manav sharir ka ati mahattvapoorn ang hota hai. yah sharir men vaksh bhag men thoda baeen or adhar tal ki or sthit hota hai. yah jivanaparyant dhadakata rahata hai.

snrachana

ek svasth manushy ka hriday lagabhag 13 semi lamba tatha 9 semi chauda hota hai. samanyatah isaka akar band mutthi ke saman hota hai. hriday ka bhar lagabhag 300 gram, rng gahara lal ya baingani hota hai. hriday hridayavaran se ghira rahata hai. is thaili men hridayavaraniy drav bhara rahata hai. jo bahari aghaton se hriday ki raksha karata hai.

bahy akariki

manushy ka hriday shnkvakar peshiy ang hota hai. isaka oopari bhag kuchh chauda tatha nichala bhag kuchh nukila tatha kuchh baeen or jhuka rahata hai. hriday ke agale chaude bhag ko alind tatha pichhale nukile bhag ko nilay kahate hain. donon bhagon ke madhy anuprasth vibhajan rekha had khanch koronari salkas paee jati hai.

manav hriday aghat

antarik snrachana

manushy ka hriday char veshmiy hota hai. alind men ek antara–alind pat hota hai jo alind ko daen tatha baen alind men bant deta hai. is pat par daeen or ek andakar gadda hota hai jise phosa ovelis kahate hain. daen alind men pashch mahashira tatha agr mahashira ke chhidr hote hain. pashch mahashira ke chhidr par yoostekiyan kapat paya jata hai. agr mahashira ke chhidr ke pas hi ek chhidr koronari sainas hota hai. is chhidr par koronari kapat ya thibesiyan kapat paya jata hai. baen alind men donon phuphphusiy shiraen ek sammilit chhidr dvara khulati hain.

nilay antara nilay pat dvara daen tatha baen nilay men bnta rahata hai. nilay ka peshiy star alind se adhik mota hota hai. daen nilay se palmonari chap nikalata hai evn baen nilay se kairotiko sistemik chap nikalata hai, jo poore sharir men shuddh rakt pahunchata hai. in chapon ke adhar par tin–tin chhote arddhachandrakar kapat lage rahate hain. alind nilay men alind nilay chhidron dvara khulate hain. in chhidron par alind nilay kapat sthit hote hain. ye kapat rudhir ko alind se nilay men jane dete hain kintu nilay se alind men nahin. nilay ki bhitti tatha kapaton men hrad rajju jude rahate hain. daen alind v nilay ke bich ke alind–nilay kapat men tin valan hote hain. inhen trivalani kapat kahate hain. baen alind v nilay ke bich ke kapat par do valan hote hain. atah ise dvivalan kapat ya mitral kapat kahate hain.

kriyavidhi

hriday sharir ke vibhinn bhagon men shukt rakt bhejata hai tatha vibhinn bhagon se ashuddh rakt gahan karata hai. hriday sharir ke angon men rudhir ko pamp karane ka kary karata hai. is kary hetu hriday har samay phailata tatha sikudata rahata hai. hriday ke sikudane ko prakunchan tatha shithil hone ko anushithilan kahate hain. alindon ke shithilan se rudhir mahashiraon se akar alindon men tatha nilayon ke shithilan se nilayon men ekatrit hota hai. jab hriday ke in bhagon men prakunchan hota hai, to rakt alindon se nilay men tatha nilay se mahadhamaniyon men dhakel diya jata hai. hriday men ye kriyaen kramashah tatha ek ke bad ek hoti hain. hriday spndan ka prarambh sainoetriyal nod men hota hai. nilayon ka snkuchan kendr alind nilay ghundi men hota hai.

spndan

manushy ka hriday ek minat men 70-80 bad spndit hota hai. ise hriday spndan ki dar kahate hain.


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adhar
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madhyamik
poornata
shodh

snbndhit lekh

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