Narushenii Osanki 8 Klass - Laboratornaia Rabota Vyiavlenie

By the end of the hour, the lab journals were filled with data. Mr. Petrov walked around, looking at their findings.

The classroom smelled of chalk dust and floor wax as the Grade 8 biology students gathered for their favorite kind of lesson: a lab day. Today's mission was "Laboratory Work: Detection of Posture Disorders." laboratornaia rabota vyiavlenie narushenii osanki 8 klass

Next came the "Ruler Test." Sasha measured the distance between the wall and Denis’s neck, and then the wall and his lower back. 3.5 cm (Normal) By the end of the hour, the lab