National parks in Kazakhstan

An Allergy is a hypersensitivity of the body to any substance. This substance can be any chemical ingredient, product, hair, dust, pollen or a germ. Today it is well established that allergens may be substances produced within the body. They are called antiallergenic or autoallergens. They are natural – unmodified tissue proteins that are isolated from the systems that are responsible for immunity. And purchased – proteins that acquire foreign properties against thermal, radiation, chemical, bacterial, viral, and other factors. For example, an allergic reaction develops with glomerulonephritis, rheumatism, arthritis, hypothyroidism.

1. He started at school at the age of seven.
2.After four years of primary school, at the age of eleven he went to secondary school. 
3.Primary and secondary schools together comprise eleven years of study.
4.Nine years of classes are compulsory in our republic.
5.The primary school curriculum included such subjects as Kazakh, Maths, Russian, Drawing, Physical Training and Music.
6.The school year begin on the first of September and ends in May.
7.We have 4 holidays a year: winter, spring, summer and autumn.
8.We got acquainted with our teachers on the first of September.
9.Every lesson lasts fourty five minutes.
10.Every day we had 4 or 5 lessons.
11.If we don't know how to do my homework I usually ask the teachers for help.