Usbu maqolada inson organizmi uchun muhim bo‘lgan biogen element natriyning organizmdagi bioregulyatorlik xususiyati,hujayra va to‘qimalarda boradigan moddalar almashinuvidagi ishtiroki,oksidlanish-qaytarilish orqali hujayra buferligining oshishiga ta’siri,xlorli tuzining oshqozon shirasi tarkibidagi HCl xlorid kislotasi bilan sintezlanishi, hamda kislota-asos muvozanatini boshqarishdagi ahamiyati,tibbiyotda ishlatiladigan fiziologik eritmalari haqida ma’lumotlar berilgan.

In this article features suitable for Roman architecture are described in terms of appearance, character and psychological impact on a person.

In this article, we have historically analyzed the Ishan kala monument, which has a great role in the widespread promotion of Karakalpak culture. In this research work, we have made effective use of many archives and scholarly articles.

Modulli funskiyalarning hosilalarini olishda ikki xil usul ta’rif bo‘yicha va hosila olish va almashtirish kiritib hosila formulalari yordamida hosila olish masalasi ko’rilgan. Misollarni yechishda modul ichini bir marta musbat deb hosila olamiz, bir marta manfiy deb hosila olami, modul ichini nolga teng den hosila olganda bo‘sh to‘plam bo‘ladideb topilgan.

The article is devoted to the activities of solo performers which are contributed to the development of the singing art of Karakalpakstan, known for their talent of performing solo songs on the stage of the theater of our Republic in the 50-60s of the twentieth century. Ayymkhan Shamuratova, Tarbiya Zholimbetova, Gulkhan Sherazieva, Arzigul Atamuratova, Tokhta Rakhmanova, Fatima Bekpolatova, Tileusan Akhmedova, Kalbike Matyakubova and Sulyokhan Mambetova as actresses and singers skillfully performed songs from their repertoire, taking a place in the hearts of our people and talking about the first steps of Karakalpak girls in the sphere of art.