![Yurak haqidagi eng qiziqarli faktlar](https://www.odam.uz/upload/media/posts/2018-07/18/80e8e5c6ea9d6aa9b5598f5141a23e06_1531872817-b.jpg)
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Organizm “motor”i bo‘lmish yurakni Platon: “Ehtiroslar makoni” deb ataydi. Haqiqatan ham, kishi sevinganda yoki qayg‘urganda uning yuragi tez-tez ura boshlaydi. Aql mahsuli bo‘lmish fikrlash esa inson miyasida paydo bo‘ladi.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-1-b1223b6157ad46c6ecb897f2ef0eb3c1.jpg)
Homila 4 haftalik bo‘lganda uning yuragi urishni boshlaydi. Ona qornidagi bolaning yurak qisqarish chastotasi (puls) katta odamnikidan, taxminan 2 baravar tez. Bu daqiqasiga 140 marta yurak urishiga teng.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-3-b1223b6157ad46c6ecb897f2ef0eb3c1.jpg)
Yangi tug‘ilgan bolada qon aylanishi 1 piyola qon miqdoricha keladi.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-5-b1223b6157ad46c6ecb897f2ef0eb3c1.jpg)
Yurak 75 trln hujayralardan iborat organizmni qon bilan ta’minlaydi. Faqat ko‘z ustki pardalarigina bundan mustasno.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-7-b1223b6157ad46c6ecb897f2ef0eb3c1.jpg)
Mashina 32 km masofani bosib o‘tish uchun qancha energiya sarflasa, yurak ham organizm uchun har kuni shuncha energiya sarflaydi. Yurakning butun hayot davomida ishlab chiqargan energiyasi Oyga borib kelishga yetadi.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-9-b1223b6157ad46c6ecb897f2ef0eb3c1.jpg)
Ayol yuragi erkaknikiga nisbatan tezroq uradi. Erkak yuragi taxminan daqiqasiga 70 marta, ayol yuragi esa 78 marta uradi.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-11-969b4142f112cf1f22c29cc982a437ed.jpg)
Katta yoshdagi inson yuragi, daqiqasiga 72 ta , kuniga 100000 ta, yiliga 3 600 000 ta va butun hayoti davomida 2.5 mlrd marta uradi.
![](https://www.odam.uz/upload/media/entries/2018-07/18/1713-13-969b4142f112cf1f22c29cc982a437ed.jpg)
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